diff --git a/adm/shop_admin/configform.php b/adm/shop_admin/configform.php
index 5a94568d7..f7fc04b03 100644
--- a/adm/shop_admin/configform.php
+++ b/adm/shop_admin/configform.php
@@ -96,6 +96,12 @@ if(!isset($default['de_mobile_search_list_row'])) {
     sql_query(" ALTER TABLE `{$g5['g5_shop_default_table']}`
                     ADD `de_mobile_search_list_row` int(11) NOT NULL DEFAULT '0' AFTER `de_mobile_search_list_mod` ", true);
 }
+
+// PG 간펼결제 사용여부 필드 추가
+if(!isset($default['de_easy_pay_use'])) {
+    sql_query(" ALTER TABLE `{$g5['g5_shop_default_table']}`
+                    ADD `de_easy_pay_use` tinyint(4) NOT NULL DEFAULT '0' AFTER `de_iche_use` ", true);
+}
 ?>
 
 <form name="fconfig" action="./configformupdate.php" onsubmit="return fconfig_check(this)" method="post" enctype="MULTIPART/FORM-DATA">
@@ -542,6 +548,16 @@ if(!isset($default['de_mobile_search_list_row'])) {
                 </select>
             </td>
         </tr>
+        <tr>
+            <th scope="row"><label for="de_easy_pay_use">PG사 간편결제 사용</label></th>
+            <td>
+                <?php echo help("PG사의 간편결제(PAYCO, Paynow, Kpay) 사용여부를 설정합니다.", 50); ?>
+                <select id="de_easy_pay_use" name="de_easy_pay_use">
+                    <option value="0" <?php echo get_selected($default['de_easy_pay_use'], 0); ?>>사용안함</option>
+                    <option value="1" <?php echo get_selected($default['de_easy_pay_use'], 1); ?>>사용</option>
+                </select>
+            </td>
+        </tr>
         <tr>
             <th scope="row"><label for="de_taxsave_use">현금영수증<br>발급사용</label></th>
             <td>
diff --git a/adm/shop_admin/configformupdate.php b/adm/shop_admin/configformupdate.php
index 286165603..e49547b47 100644
--- a/adm/shop_admin/configformupdate.php
+++ b/adm/shop_admin/configformupdate.php
@@ -127,6 +127,7 @@ $sql = " update {$g5['g5_shop_default_table']}
                 de_bank_account               = '{$_POST['de_bank_account']}',
                 de_card_test                  = '{$_POST['de_card_test']}',
                 de_card_use                   = '{$_POST['de_card_use']}',
+                de_easy_pay_use               = '{$_POST['de_easy_pay_use']}',
                 de_card_noint_use             = '{$_POST['de_card_noint_use']}',
                 de_card_point                 = '{$_POST['de_card_point']}',
                 de_settle_min_point           = '{$_POST['de_settle_min_point']}',
diff --git a/install/gnuboard5shop.sql b/install/gnuboard5shop.sql
index a129e699e..df5dbc6f1 100644
--- a/install/gnuboard5shop.sql
+++ b/install/gnuboard5shop.sql
@@ -312,6 +312,7 @@ CREATE TABLE IF NOT EXISTS `g5_shop_default` (
   `de_inicis_mid` varchar(255) NOT NULL DEFAULT '',
   `de_inicis_admin_key` varchar(255) NOT NULL DEFAULT '',
   `de_iche_use` tinyint(4) NOT NULL DEFAULT '0',
+  `de_easy_pay_use` tinyint(4) NOT NULL DEFAULT '0',
   `de_item_use_use` tinyint(4) NOT NULL DEFAULT '0',
   `de_item_use_write` tinyint(4) NOT NULL DEFAULT '0',
   `de_code_dup_use` tinyint(4) NOT NULL DEFAULT '0',
diff --git a/mobile/shop/lg/orderform.1.php b/mobile/shop/lg/orderform.1.php
index 225008a94..1fd1a22e6 100644
--- a/mobile/shop/lg/orderform.1.php
+++ b/mobile/shop/lg/orderform.1.php
@@ -13,6 +13,7 @@ if (!defined("_GNUBOARD_")) exit; // 개별 페이지 접근 불가
 <input type="hidden" name="LGD_BUYERID"                 id="LGD_BUYERID"        value="<?php echo $LGD_BUYERID; ?>">       <!-- 구매자ID -->
 <input type="hidden" name="LGD_CASHRECEIPTYN"           id="LGD_CASHRECEIPTYN"  value="N">                                 <!-- 현금영수증 사용 설정 -->
 <input type="hidden" name="LGD_BUYERPHONE"              id="LGD_BUYERPHONE"     value="">                                  <!-- 구매자 휴대폰번호 -->
+<input type="hidden" name="LGD_EASYPAY_ONLY"            id="LGD_EASYPAY_ONLY"   value="">                                  <!-- 페이나우 결제 호출 -->
 
 <input type="hidden" name="good_mny"          value="<?php echo $tot_price ?>" >
 </form>
\ No newline at end of file
diff --git a/mobile/shop/lg/xpay_approval.php b/mobile/shop/lg/xpay_approval.php
index be45cf87b..c81ce3371 100644
--- a/mobile/shop/lg/xpay_approval.php
+++ b/mobile/shop/lg/xpay_approval.php
@@ -17,6 +17,7 @@ $LGD_TAXFREEAMOUNT          = $_POST['LGD_TAXFREEAMOUNT'];      //비과세 금
 $LGD_CASHRECEIPTYN          = $_POST['LGD_CASHRECEIPTYN'];      //현금영수증 사용설정
 $LGD_BUYERID                = $_POST['LGD_BUYERID'];            //구매자 ID
 $LGD_BUYERPHONE             = $_POST['LGD_BUYERPHONE'];         //구매자 휴대폰번호
+$LGD_EASYPAY_ONLY           = $_POST['LGD_EASYPAY_ONLY'];       //페이나우결제창 호출
 
 $LGD_RETURNURL			    = G5_MSHOP_URL.'/lg/returnurl.php';
 $LGD_KVPMISPNOTEURL         = G5_MSHOP_URL.'/lg/note_url.php';
@@ -87,6 +88,7 @@ $payReqMap['LGD_TAXFREEAMOUNT']      = $LGD_TAXFREEAMOUNT;
 $payReqMap['LGD_CASHRECEIPTYN']      = $LGD_CASHRECEIPTYN;
 $payReqMap['LGD_BUYERPHONE']         = $LGD_BUYERPHONE;
 $payReqMap['LGD_BUYERID']            = $LGD_BUYERID;
+$payReqMap['LGD_EASYPAY_ONLY']       = $LGD_EASYPAY_ONLY;
 
 /*
 ****************************************************
diff --git a/mobile/shop/orderform.php b/mobile/shop/orderform.php
index a63a03539..c81eaf69b 100644
--- a/mobile/shop/orderform.php
+++ b/mobile/shop/orderform.php
@@ -593,6 +593,25 @@ require_once(G5_MSHOP_PATH.'/'.$default['de_pg_service'].'/orderform.1.php');
             $checked = '';
         }
 
+        // PG 간편결제
+        if($default['de_easy_pay_use']) {
+            switch($default['de_pg_service']) {
+                case 'lg':
+                    $pg_easy_pay_name = 'PAYNOW';
+                    break;
+                case 'inicis':
+                    $pg_easy_pay_name = 'KPAY';
+                    break;
+                default:
+                    $pg_easy_pay_name = 'PAYCO';
+                    break;
+            }
+
+            $multi_settle++;
+            echo '<li><input type="radio" id="od_settle_easy_pay" name="od_settle_case" value="간편결제" '.$checked.'> <label for="od_settle_easy_pay">'.$pg_easy_pay_name.'(간편결제)</label></li>'.PHP_EOL;
+            $checked = '';
+        }
+
         echo '</ul>';
 
         $temp_point = 0;
@@ -1170,6 +1189,7 @@ function pay_approval()
     f.settle_method.value = settle_method;
     <?php } else if($default['de_pg_service'] == 'lg') { ?>
     var pay_method = "";
+    var easy_pay = "";
     switch(settle_method) {
         case "계좌이체":
             pay_method = "SC0030";
@@ -1183,12 +1203,16 @@ function pay_approval()
         case "신용카드":
             pay_method = "SC0010";
             break;
+        case "간편결제":
+            easy_pay = "PAYNOW";
+            break;
     }
     f.LGD_CUSTOM_FIRSTPAY.value = pay_method;
     f.LGD_BUYER.value = pf.od_name.value;
     f.LGD_BUYEREMAIL.value = pf.od_email.value;
     f.LGD_BUYERPHONE.value = pf.od_hp.value;
     f.LGD_AMOUNT.value = f.good_mny.value;
+    f.LGD_EASYPAY_ONLY.value = easy_pay;
     <?php if($default['de_tax_flag_use']) { ?>
     f.LGD_TAXFREEAMOUNT.value = pf.comm_free_mny.value;
     <?php } ?>
@@ -1226,9 +1250,6 @@ function pay_approval()
     f.action = "https://mobile.inicis.com/smart/" + paymethod + "/";
     <?php } ?>
 
-    //var new_win = window.open("about:blank", "tar_opener", "scrollbars=yes,resizable=yes");
-    //f.target = "tar_opener";
-
     // 주문 정보 임시저장
     var order_data = $(pf).serialize();
     var save_result = "";
diff --git a/mobile/shop/orderformupdate.php b/mobile/shop/orderformupdate.php
index ddb95c9fc..9c337949f 100644
--- a/mobile/shop/orderformupdate.php
+++ b/mobile/shop/orderformupdate.php
@@ -392,6 +392,32 @@ else if ($od_settle_case == "신용카드")
     if($od_misu == 0)
         $od_status      = '입금';
 }
+else if ($od_settle_case == "간편결제")
+{
+    switch($default['de_pg_service']) {
+        case 'lg':
+            include G5_SHOP_PATH.'/lg/xpay_result.php';
+            break;
+        case 'inicis':
+            include G5_MSHOP_PATH.'/inicis/pay_result.php';
+            break;
+        default:
+            include G5_MSHOP_PATH.'/kcp/pp_ax_hub.php';
+            $card_name  = iconv("cp949", "utf-8", $card_name);
+            break;
+    }
+
+    $od_tno             = $tno;
+    $od_app_no          = $app_no;
+    $od_receipt_price   = $amount;
+    $od_receipt_point   = $i_temp_point;
+    $od_receipt_time    = preg_replace("/([0-9]{4})([0-9]{2})([0-9]{2})([0-9]{2})([0-9]{2})([0-9]{2})/", "\\1-\\2-\\3 \\4:\\5:\\6", $app_time);
+    $od_bank_account    = $card_name;
+    $pg_price           = $amount;
+    $od_misu            = $i_price - $od_receipt_price;
+    if($od_misu == 0)
+        $od_status      = '입금';
+}
 else
 {
     die("od_settle_case Error!!!");
diff --git a/mobile/shop/orderinquiryview.php b/mobile/shop/orderinquiryview.php
index b50a813fb..26c885469 100644
--- a/mobile/shop/orderinquiryview.php
+++ b/mobile/shop/orderinquiryview.php
@@ -239,11 +239,29 @@ if($od['od_pg'] == 'lg') {
         $app_no_subj = '';
         $disp_bank = true;
         $disp_receipt = false;
+        $easy_pay_name = '';
         if($od['od_settle_case'] == '신용카드') {
             $app_no_subj = '승인번호';
             $app_no = $od['od_app_no'];
             $disp_bank = false;
             $disp_receipt = true;
+        } else if($od['od_settle_case'] == '간편결제') {
+            $app_no_subj = '승인번호';
+            $app_no = $od['od_app_no'];
+            $disp_bank = false;
+            switch($od['od_pg']) {
+                case 'lg':
+                    $easy_pay_name = 'PAYNOW';
+                    break;
+                case 'inicis':
+                    $easy_pay_name = 'KPAY';
+                    break;
+                case 'kcp':
+                    $easy_pay_name = 'PAYCO';
+                    break;
+                default:
+                    break;
+            }
         } else if($od['od_settle_case'] == '휴대폰') {
             $app_no_subj = '휴대폰번호';
             $app_no = $od['od_bank_account'];
@@ -273,10 +291,9 @@ if($od['od_pg'] == 'lg') {
                     <th scope="row">주문일시</th>
                     <td><?php echo $od['od_time']; ?></td>
                 </tr>
-
                 <tr>
                     <th scope="row">결제방식</th>
-                    <td><?php echo $od['od_settle_case']; ?></td>
+                    <td><?php echo ($easy_pay_name ? $easy_pay_name.'('.$od['od_settle_case'].')' : $od['od_settle_case']); ?></td>
                 </tr>
                 <tr>
                     <th scope="row">결제금액</th>
diff --git a/shop/lg/orderform.2.php b/shop/lg/orderform.2.php
index a45e463bc..246f82390 100644
--- a/shop/lg/orderform.2.php
+++ b/shop/lg/orderform.2.php
@@ -29,6 +29,7 @@ $LGD_CUSTOM_PROCESSTYPE = 'TWOTR';
 <input type="hidden" name="LGD_BUYERPHONE"              id="LGD_BUYERPHONE"     value="">                                  <!-- 구매자 휴대폰번호 -->
 <input type="hidden" name="LGD_RECEIVER"                id="LGD_RECEIVER"       value="">                                  <!-- 수취인 -->
 <input type="hidden" name="LGD_RECEIVERPHONE"           id="LGD_RECEIVERPHONE"  value="">                                  <!-- 수취인 휴대폰번호 -->
+<input type="hidden" name="LGD_EASYPAY_ONLY"            id="LGD_EASYPAY_ONLY"   value="">                                  <!-- 페이나우 결제 호출 -->
 
 <?php if($default['de_escrow_use']) { ?>
 <input type="hidden" name="LGD_ESCROW_ZIPCODE"          id="LGD_ESCROW_ZIPCODE" value="">                                  <!-- 에스크로배송지우편번호 -->
diff --git a/shop/orderform.php b/shop/orderform.php
index 3123f980a..47954641a 100644
--- a/shop/orderform.php
+++ b/shop/orderform.php
@@ -619,6 +619,25 @@ require_once('./'.$default['de_pg_service'].'/orderform.1.php');
             $checked = '';
         }
 
+        // PG 간편결제
+        if($default['de_easy_pay_use']) {
+            switch($default['de_pg_service']) {
+                case 'lg':
+                    $pg_easy_pay_name = 'PAYNOW';
+                    break;
+                case 'inicis':
+                    $pg_easy_pay_name = 'KPAY';
+                    break;
+                default:
+                    $pg_easy_pay_name = 'PAYCO';
+                    break;
+            }
+
+            $multi_settle++;
+            echo '<input type="radio" id="od_settle_easy_pay" name="od_settle_case" value="간편결제" '.$checked.'> <label for="od_settle_easy_pay">'.$pg_easy_pay_name.'(간편결제)</label>'.PHP_EOL;
+            $checked = '';
+        }
+
         $temp_point = 0;
         // 회원이면서 포인트사용이면
         if ($is_member && $config['cf_use_point'])
@@ -1326,6 +1345,15 @@ function forderform_check(f)
             break;
     }
     <?php } else if($default['de_pg_service'] == 'lg') { ?>
+    f.LGD_EASYPAY_ONLY.value = "";
+    if(typeof f.LGD_CUSTOM_USABLEPAY === "undefined") {
+        var input = document.createElement("input");
+        input.setAttribute("type", "hidden");
+        input.setAttribute("name", "LGD_CUSTOM_USABLEPAY");
+        input.setAttribute("value", "");
+        f.LGD_EASYPAY_ONLY.parentNode.insertBefore(input, f.LGD_EASYPAY_ONLY);
+    }
+
     switch(settle_method)
     {
         case "계좌이체":
@@ -1344,6 +1372,12 @@ function forderform_check(f)
             f.LGD_CUSTOM_FIRSTPAY.value = "SC0010";
             f.LGD_CUSTOM_USABLEPAY.value = "SC0010";
             break;
+        case "간편결제":
+            var elm = f.LGD_CUSTOM_USABLEPAY;
+            if(elm.parentNode)
+                elm.parentNode.removeChild(elm);
+            f.LGD_EASYPAY_ONLY.value = "PAYNOW";
+            break;
         default:
             f.LGD_CUSTOM_FIRSTPAY.value = "무통장";
             break;
@@ -1363,6 +1397,9 @@ function forderform_check(f)
         case "신용카드":
             f.gopaymethod.value = "onlycard";
             break;
+        case "KPAY":
+            f.gopaymethod.value = "onlykpay";
+            break;
         default:
             f.gopaymethod.value = "무통장";
             break;
diff --git a/shop/orderformupdate.php b/shop/orderformupdate.php
index cb1041ac1..9bacbb352 100644
--- a/shop/orderformupdate.php
+++ b/shop/orderformupdate.php
@@ -377,6 +377,32 @@ else if ($od_settle_case == "신용카드")
     if($od_misu == 0)
         $od_status      = '입금';
 }
+else if ($od_settle_case == "간편결제")
+{
+    switch($default['de_pg_service']) {
+        case 'lg':
+            include G5_SHOP_PATH.'/lg/xpay_result.php';
+            break;
+        case 'inicis':
+            include G5_SHOP_PATH.'/inicis/inipay_result.php';
+            break;
+        default:
+            include G5_SHOP_PATH.'/kcp/pp_ax_hub.php';
+            $card_name  = iconv("cp949", "utf-8", $card_name);
+            break;
+    }
+
+    $od_tno             = $tno;
+    $od_app_no          = $app_no;
+    $od_receipt_price   = $amount;
+    $od_receipt_point   = $i_temp_point;
+    $od_receipt_time    = preg_replace("/([0-9]{4})([0-9]{2})([0-9]{2})([0-9]{2})([0-9]{2})([0-9]{2})/", "\\1-\\2-\\3 \\4:\\5:\\6", $app_time);
+    $od_bank_account    = $card_name;
+    $pg_price           = $amount;
+    $od_misu            = $i_price - $od_receipt_price;
+    if($od_misu == 0)
+        $od_status      = '입금';
+}
 else
 {
     die("od_settle_case Error!!!");
diff --git a/shop/orderinquiryview.php b/shop/orderinquiryview.php
index 117ed5de8..0bbd8e1fd 100644
--- a/shop/orderinquiryview.php
+++ b/shop/orderinquiryview.php
@@ -262,6 +262,23 @@ if($od['od_pg'] == 'lg') {
             $app_no = $od['od_app_no'];
             $disp_bank = false;
             $disp_receipt = true;
+        } else if($od['od_settle_case'] == '간편결제') {
+            $app_no_subj = '승인번호';
+            $app_no = $od['od_app_no'];
+            $disp_bank = false;
+            switch($od['od_pg']) {
+                case 'lg':
+                    $easy_pay_name = 'PAYNOW';
+                    break;
+                case 'inicis':
+                    $easy_pay_name = 'KPAY';
+                    break;
+                case 'kcp':
+                    $easy_pay_name = 'PAYCO';
+                    break;
+                default:
+                    break;
+            }
         } else if($od['od_settle_case'] == '휴대폰') {
             $app_no_subj = '휴대폰번호';
             $app_no = $od['od_bank_account'];
@@ -293,7 +310,7 @@ if($od['od_pg'] == 'lg') {
                 </tr>
                 <tr>
                     <th scope="row">결제방식</th>
-                    <td><?php echo $od['od_settle_case']; ?></td>
+                    <td><?php echo ($easy_pay_name ? $easy_pay_name.'('.$od['od_settle_case'].')' : $od['od_settle_case']); ?></td>
                 </tr>
                 <tr>
                     <th scope="row">결제금액</th>