diff --git a/adm/shop_admin/itemformupdate.php b/adm/shop_admin/itemformupdate.php
index b4ae6a454..52f0e59cd 100644
--- a/adm/shop_admin/itemformupdate.php
+++ b/adm/shop_admin/itemformupdate.php
@@ -305,26 +305,25 @@ sql_query(" delete from {$g4['shop_item_option_table']} where io_type = '0' and
 
 $option_count = count($_POST['opt_id']);
 if($option_count) {
-    // 실재하는 1차 옵션항목
-    $arr_opt1 = array();
-    $opt2_cnt = $opt3_cnt = 0;
+    // 옵션명
+    $opt1_cnt = $opt2_cnt = $opt3_cnt = 0;
     for($i=0; $i<$option_count; $i++) {
         $opt_val = explode(chr(30), $_POST['opt_id'][$i]);
-        if(!in_array($opt_val[0], $arr_opt1))
-            $arr_opt1[] = $opt_val[0];
+        if($opt_val[0])
+            $opt1_cnt++;
         if($opt_val[1])
             $opt2_cnt++;
         if($opt_val[2])
             $opt3_cnt++;
     }
 
-    $it_option_subject = $opt1_subject;
-    if($opt2_subject && $opt2_cnt)
-        $it_option_subject .= ','.$opt2_subject;
-    if($opt3_subject && $opt3_cnt)
-        $it_option_subject .= ','.$opt3_subject;
-
-    $it_option = implode(',', $arr_opt1);
+    if($opt1_subject && $opt1_cnt) {
+        $it_option_subject = $opt1_subject;
+        if($opt2_subject && $opt2_cnt)
+            $it_option_subject .= ','.$opt2_subject;
+        if($opt3_subject && $opt3_cnt)
+            $it_option_subject .= ','.$opt3_subject;
+    }
 }
 
 // 추가옵션
@@ -360,7 +359,6 @@ $sql_common = " ca_id               = '$ca_id',
                 it_maker            = '$it_maker',
                 it_origin           = '$it_origin',
                 it_option_subject   = '$it_option_subject',
-                it_option           = '$it_option',
                 it_supply_subject   = '$it_supply_subject',
                 it_type1            = '$it_type1',
                 it_type2            = '$it_type2',
diff --git a/lib/shop.lib.php b/lib/shop.lib.php
index 7403a2ce8..ac4cbd1cf 100644
--- a/lib/shop.lib.php
+++ b/lib/shop.lib.php
@@ -518,46 +518,67 @@ function get_item_options($it_id, $subject)
     $str = '';
     $subj = explode(',', $subject);
     $subj_count = count($subj);
-    $options = array();
 
-    // 옵션항목 배열에 저장
-    for($i=0; $row=sql_fetch_array($result); $i++) {
-        $opt_id = explode(chr(30), $row['io_id']);
+    if($subj_count > 1) {
+        $options = array();
 
-        for($k=0; $k<$subj_count; $k++) {
-            if(!is_array($options[$k]))
-                $options[$k] = array();
+        // 옵션항목 배열에 저장
+        for($i=0; $row=sql_fetch_array($result); $i++) {
+            $opt_id = explode(chr(30), $row['io_id']);
 
-            if($opt_id[$k] && !in_array($opt_id[$k], $options[$k]))
-                $options[$k][] = $opt_id[$k];
-        }
-    }
+            for($k=0; $k<$subj_count; $k++) {
+                if(!is_array($options[$k]))
+                    $options[$k] = array();
 
-    // 옵션선택목록 만들기
-    for($i=0; $i<$subj_count; $i++) {
-        $opt = $options[$i];
-        $opt_count = count($opt);
-        $disabled = '';
-        if($opt_count) {
-            $seq = $i + 1;
-            if($i > 0)
-                $disabled = ' disabled="disabled"';
-            $str .= '<tr>'.PHP_EOL;
-            $str .= '<th><label for="it_option_'.$seq.'">'.$subj[$i].'</label></th>'.PHP_EOL;
-
-            $select = '<select name="it_option[]" id="it_option_'.$seq.'"'.$disabled.'>'.PHP_EOL;
-            $select .= '<option value="">선택</option>'.PHP_EOL;
-            for($k=0; $k<$opt_count; $k++) {
-                $opt_val = $opt[$k];
-                if($opt_val) {
-                    $select .= '<option value="'.$opt_val.'">'.$opt_val.'</option>'.PHP_EOL;
-                }
+                if($opt_id[$k] && !in_array($opt_id[$k], $options[$k]))
+                    $options[$k][] = $opt_id[$k];
             }
-            $select .= '</select>'.PHP_EOL;
-
-            $str .= '<td>'.$select.'</td>'.PHP_EOL;
-            $str .= '</tr>'.PHP_EOL;
         }
+
+        // 옵션선택목록 만들기
+        for($i=0; $i<$subj_count; $i++) {
+            $opt = $options[$i];
+            $opt_count = count($opt);
+            $disabled = '';
+            if($opt_count) {
+                $seq = $i + 1;
+                if($i > 0)
+                    $disabled = ' disabled="disabled"';
+                $str .= '<tr>'.PHP_EOL;
+                $str .= '<th><label for="it_option_'.$seq.'">'.$subj[$i].'</label></th>'.PHP_EOL;
+
+                $select = '<select name="it_option[]" id="it_option_'.$seq.'"'.$disabled.'>'.PHP_EOL;
+                $select .= '<option value="">선택</option>'.PHP_EOL;
+                for($k=0; $k<$opt_count; $k++) {
+                    $opt_val = $opt[$k];
+                    if($opt_val) {
+                        $select .= '<option value="'.$opt_val.'">'.$opt_val.'</option>'.PHP_EOL;
+                    }
+                }
+                $select .= '</select>'.PHP_EOL;
+
+                $str .= '<td>'.$select.'</td>'.PHP_EOL;
+                $str .= '</tr>'.PHP_EOL;
+            }
+        }
+    } else {
+        $str .= '<tr>'.PHP_EOL;
+        $str .= '<th><label for="it_option_1">'.$subj[0].'</label></th>'.PHP_EOL;
+
+        $select = '<select name="it_option[]" id="it_option_1">'.PHP_EOL;
+        $select .= '<option value="">선택</option>'.PHP_EOL;
+        for($i=0; $row=sql_fetch_array($result); $i++) {
+            if($row['io_price'] >= 0)
+                $price = '&nbsp;&nbsp;+ '.number_format($row['io_price']).'원';
+            else
+                $price = '&nbsp;&nbsp; '.number_format($row['io_price']).'원';
+
+            $select .= '<option value="'.$row['io_id'].','.$row['io_price'].','.$row['io_stock_qty'].'">'.$row['io_id'].$price.'</option>'.PHP_EOL;
+        }
+        $select .= '</select>'.PHP_EOL;
+
+        $str .= '<td>'.$select.'</td>'.PHP_EOL;
+        $str .= '</tr>'.PHP_EOL;
     }
 
     return $str;
@@ -593,8 +614,14 @@ function get_item_supply($it_id, $subject)
         if($opt_id[0] && !array_key_exists($opt_id[0], $options))
             $options[$opt_id[0]] = array();
 
-        if($opt_id[1] && !in_array($opt_id[1], $options[$opt_id[0]]))
-            $options[$opt_id[0]][] = $opt_id[1];
+        if($opt_id[1]) {
+            if($row['io_price'] >= 0)
+                $price = '&nbsp;&nbsp;+ '.number_format($row['io_price']).'원';
+            else
+                $price = '&nbsp;&nbsp; '.number_format($row['io_price']).'원';
+
+            $options[$opt_id[0]][] = '<option value="'.$opt_id[1].','.$row['io_price'].','.$row['io_stock_qty'].'">'.$opt_id[1].$price.'</option>';
+        }
     }
 
     // 옵션항목 만들기
@@ -611,7 +638,7 @@ function get_item_supply($it_id, $subject)
             for($k=0; $k<$opt_count; $k++) {
                 $opt_val = $opt[$k];
                 if($opt_val) {
-                    $select .= '<option value="'.$opt_val.'">'.$opt_val.'</option>'.PHP_EOL;
+                    $select .= $opt_val.PHP_EOL;
                 }
             }
             $select .= '</select>'.PHP_EOL;
diff --git a/shop/item.php b/shop/item.php
index 1ca2fc2e4..b5bb78df4 100644
--- a/shop/item.php
+++ b/shop/item.php
@@ -171,6 +171,7 @@ function pg_anchor($anc_id) {
 <?php } ?>
 
 <script src="<?php echo G4_JS_URL; ?>/md5.js"></script>
+<script src="<?php echo G4_JS_URL; ?>/shop.js"></script>
 
 <?php
 if (G4_HTTPS_DOMAIN)
@@ -326,6 +327,157 @@ else
             echo get_item_supply($it['it_id'], $it['it_supply_subject']);
             ?>
 
+            <tr>
+                <td colspan="2">
+                    <div id="sit_sel_option"></div>
+                    <script>
+                    $(function() {
+                        // 선택옵션
+                        $("select[name='it_option[]']").change(function() {
+                            var sel_count = $("select[name='it_option[]']").size();
+                            var idx = $("select[name='it_option[]']").index($(this));
+                            var val = $(this).val();
+
+                            // 선택값이 없을 경우 하위 옵션은 disabled
+                            if(val == "") {
+                                $("select[name='it_option[]']:gt("+idx+")").val("").attr("disabled", true);
+                                return;
+                            }
+
+                            // 하위선택옵션로드
+                            if(sel_count > 1 && (idx + 1) < sel_count) {
+                                var opt_id = "";
+
+                                // 상위 옵션의 값을 읽어 옵션id 만듬
+                                if(idx > 0) {
+                                    $("select[name='it_option[]']:lt("+idx+")").each(function() {
+                                        if(!opt_id)
+                                            opt_id = $(this).val();
+                                        else
+                                            opt_id += chr(30)+$(this).val();
+                                    });
+
+                                    opt_id += chr(30)+val;
+                                } else if(idx == 0) {
+                                    opt_id = val;
+                                }
+
+                                $.post(
+                                    "<?php echo G4_SHOP_URL; ?>/itemoption.php",
+                                    { it_id: "<?php echo $it['it_id']; ?>", opt_id: opt_id, idx: idx, sel_count: sel_count },
+                                    function(data) {
+                                        $("select[name='it_option[]']").eq(idx+1).empty().html(data).attr("disabled", false);
+
+                                        // select의 옵션이 변경됐을 경우 하위 옵션 disabled
+                                        if(idx+1 < sel_count) {
+                                            var idx2 = idx + 1;
+                                            $("select[name='it_option[]']:gt("+idx2+")").val("").attr("disabled", true);
+                                        }
+                                    }
+                                );
+                            } else if((idx + 1) == sel_count) { // 선택옵션처리
+                                var info = val.split(",");
+                                // 재고체크
+                                if(parseInt(info[2]) < 1) {
+                                    alert("선택하신 선택옵션상품은 재고가 부족하여 구매할 수 없습니다.");
+                                    return false;
+                                }
+
+                                var id = "";
+                                var value, sel_opt, item, price, stock, run_error = false;
+                                var option = sep = "";
+                                $("select[name='it_option[]']").each(function(index) {
+                                    value = $(this).val();
+                                    item = $(this).closest("tr").find("th label").text();
+
+                                    if(!value) {
+                                        run_error = true;
+                                        return false;
+                                    }
+
+                                    // 옵션선택정보
+                                    sel_opt = value.split(",")[0];
+                                    if(id == "") {
+                                        id = sel_opt;
+                                    } else {
+                                        id += chr(30)+sel_opt;
+                                        sep = " / ";
+                                    }
+
+                                    option += sep + item + ":" + sel_opt;
+                                });
+
+                                if(run_error) {
+                                    alert(item+"을(를) 선택해 주십시오.");
+                                    return false;
+                                }
+
+                                price = info[1];
+                                stock = info[2];
+
+                                add_sel_option(0, id, option, price, stock);
+                            }
+                        });
+
+                        // 추가옵션
+                        $("select[name='it_supply[]']").change(function() {
+                            var val = $(this).val();
+                            var info = val.split(",");
+
+                            // 재고체크
+                            if(parseInt(info[2]) < 1) {
+                                alert("선택하신 추가옵션상품은 재고가 부족하여 구매할 수 없습니다.");
+                                return false;
+                            }
+
+                            var item = $(this).closest("tr").find("th label").text();
+                            var id = item+chr(30)+info[0];
+                            var option = item+":"+info[0];
+                            var price = info[1];
+                            var stock = info[2];
+
+                            add_sel_option(1, id, option, price, stock);
+                        });
+                    });
+
+                    function add_sel_option(type, id, option, price, stock)
+                    {
+                        var opt = "";
+                        var li_class = "sit_opt_list";
+                        if(type)
+                            li_class = "sit_spl_list";
+
+                        var opt_prc;
+                        if(parseInt(price) >= 0)
+                            opt_prc = "(+"+number_format(String(price))+"원)";
+                        else
+                            opt_prc = "("+number_format(String(price))+"원)";
+
+                        opt += "<li class=\""+li_class+"\">\n";
+                        opt += "<input type=\"hidden\" name=\"io_type[]\" value=\""+type+"\">\n";
+                        opt += "<input type=\"hidden\" name=\"io_id[]\" value=\""+id+"\">\n";
+                        opt += "<input type=\"hidden\" name=\"io_value[]\" value=\""+option+"\">\n";
+                        opt += "<input type=\"hidden\" name=\"io_price[]\" value=\""+price+"\">\n";
+                        opt += "<input type=\"hidden\" name=\"io_stock[]\" value=\""+stock+"\">\n";
+                        opt += "<span class=\"sit_opt_subj\">"+option+"</span>\n";
+                        opt += "<span class=\"sit_opt_prc\">"+opt_prc+"</span>\n";
+                        opt += "<input type=\"text\" name=\"ct_qty[]\" value=\"1\" size=\"5\">\n";
+                        opt += "<button type=\"button\" class=\"sit_qty_plus\">증가</button>\n";
+                        opt += "<button type=\"button\" class=\"sit_qty_minus\">감소</button>\n";
+                        opt += "<button type=\"button\" class=\"sit_opt_del\">삭제</button>\n";
+                        opt += "</li>\n";
+
+                        if($("#sit_sel_option > ul").size() < 1) {
+                            $("#sit_sel_option").html("<ul></ul>");
+                            $("#sit_sel_option > ul").html(opt);
+                        } else{
+                            $("#sit_sel_option > ul li:last").after(opt);
+                        }
+                    }
+                    </script>
+                </td>
+            </tr>
+
             <tr>
                 <th scope="row">수량</th>
                 <td>
diff --git a/shop/itemoption.php b/shop/itemoption.php
new file mode 100644
index 000000000..80068fd33
--- /dev/null
+++ b/shop/itemoption.php
@@ -0,0 +1,40 @@
+<?php
+include_once('./_common.php');
+
+$sql = " select * from {$g4['shop_item_option_table']}
+                where io_type = '0'
+                  and it_id = '$it_id'
+                  and io_use = '1'
+                  and io_id like '$opt_id%'
+                order by io_no asc ";
+$result = sql_query($sql);
+
+$str = '<option value="">선택</option>';
+$opt = array();
+
+for($i=0; $row=sql_fetch_array($result); $i++) {
+    $val = explode(chr(30), $row['io_id']);
+    $key = $idx + 1;
+
+    if(!$val[$key])
+        continue;
+
+    if(in_array($val[$key], $opt))
+        continue;
+
+    $opt[] = $val[$key];
+
+    if($key + 1 < $sel_count) {
+        $str .= PHP_EOL.'<option value="'.$val[$key].'">'.$val[$key].'</option>';
+    } else {
+        if($row['io_price'] >= 0)
+            $price = '&nbsp;&nbsp;+ '.number_format($row['io_price']).'원';
+        else
+            $price = '&nbsp;&nbsp; '.number_format($row['io_price']).'원';
+
+        $str .= PHP_EOL.'<option value="'.$val[$key].','.$row['io_price'].','.$row['io_stock_qty'].'">'.$val[$key].$price.'</otpion>';
+    }
+}
+
+echo $str;
+?>
\ No newline at end of file