diff --git a/openhis-server-new/openhis-application/src/main/java/com/openhis/web/regdoctorstation/appservice/impl/RequestFormManageAppServiceImpl.java b/openhis-server-new/openhis-application/src/main/java/com/openhis/web/regdoctorstation/appservice/impl/RequestFormManageAppServiceImpl.java
index a3f653048..eb7841ebc 100755
--- a/openhis-server-new/openhis-application/src/main/java/com/openhis/web/regdoctorstation/appservice/impl/RequestFormManageAppServiceImpl.java
+++ b/openhis-server-new/openhis-application/src/main/java/com/openhis/web/regdoctorstation/appservice/impl/RequestFormManageAppServiceImpl.java
@@ -155,10 +155,13 @@ public class RequestFormManageAppServiceImpl implements IRequestFormManageAppSer
                 return R.fail("无待签发的医嘱,该申请单不可编辑");
             }
         } else {
-            // 检查申请单号：JC（检查）+ Z（住院标识）+ yyMMdd（日期）+ 5位顺序号
+            // 根据申请单类型生成不同前缀的单号
             String dateStr = new java.text.SimpleDateFormat("yyMMdd").format(new Date());
-            int seq = assignSeqUtil.getSeqNoByDay(AssignSeqEnum.CHECK_APPLY_NO.getPrefix());
-            prescriptionNo = "JCZ" + dateStr + String.format("%05d", seq);
+            AssignSeqEnum seqEnum = ActivityDefCategory.PROCEDURE.getCode().equals(typeCode) 
+                ? AssignSeqEnum.SURGERY_APPLY_NO 
+                : AssignSeqEnum.CHECK_APPLY_NO;
+            int seq = assignSeqUtil.getSeqNoByDay(seqEnum.getPrefix());
+            prescriptionNo = seqEnum.getPrefix() + dateStr + String.format("%05d", seq);
         }
 
         // 当前时间
diff --git a/openhis-server-new/openhis-common/src/main/java/com/openhis/common/enums/AssignSeqEnum.java b/openhis-server-new/openhis-common/src/main/java/com/openhis/common/enums/AssignSeqEnum.java
index 3df82c5aa..568ef6708 100755
--- a/openhis-server-new/openhis-common/src/main/java/com/openhis/common/enums/AssignSeqEnum.java
+++ b/openhis-server-new/openhis-common/src/main/java/com/openhis/common/enums/AssignSeqEnum.java
@@ -274,6 +274,10 @@ public enum AssignSeqEnum {
      * 检查申请单号（住院）
      */
     CHECK_APPLY_NO("72", "检查申请单号", "JCZ"),
+    /**
+     * 手术申请单号（住院）
+     */
+    SURGERY_APPLY_NO("73", "手术申请单号", "SSZ"),
     /**
      * b 病历文书
      */