diff --git a/src/main/java/club/joylink/rtss/controller/simulation/SimulationTrainingV2Controller.java b/src/main/java/club/joylink/rtss/controller/simulation/SimulationTrainingV2Controller.java
index ba5b9487f..e54d3e08a 100644
--- a/src/main/java/club/joylink/rtss/controller/simulation/SimulationTrainingV2Controller.java
+++ b/src/main/java/club/joylink/rtss/controller/simulation/SimulationTrainingV2Controller.java
@@ -109,4 +109,14 @@ public class SimulationTrainingV2Controller {
     public void jumpToStep(@PathVariable String group, @PathVariable Long stepId){
         training2Service.jumpToStep(group, stepId);
     }
+
+    /**
+     * 实训开始准备，给实训参与人员发送准备开始执行
+     * @param group 仿真ID
+     * @param user 操作人
+     */
+    @PostMapping("/{group}/prepare/start")
+    public void prepareStart(@PathVariable String group, @RequestAttribute AccountVO user) {
+        training2Service.prepareStart(group, user);
+    }
 }
diff --git a/src/main/java/club/joylink/rtss/services/training2/Training2Service.java b/src/main/java/club/joylink/rtss/services/training2/Training2Service.java
index 2d686062b..24512741d 100644
--- a/src/main/java/club/joylink/rtss/services/training2/Training2Service.java
+++ b/src/main/java/club/joylink/rtss/services/training2/Training2Service.java
@@ -4,6 +4,7 @@ import club.joylink.rtss.dao.DraftTraining2DAO;
 import club.joylink.rtss.dao.PublishedTraining2DAO;
 import club.joylink.rtss.entity.training2.DraftTraining2WithBLOBs;
 import club.joylink.rtss.entity.training2.PublishedTraining2WithBLOBs;
+import club.joylink.rtss.exception.BusinessExceptionAssertEnum;
 import club.joylink.rtss.services.training2.index.IndexAlgorithmService;
 import club.joylink.rtss.simulation.cbtc.ATS.ATSMessageCollectAndDispatcher;
 import club.joylink.rtss.simulation.cbtc.ATS.operation.AtsOperationDispatcher;
@@ -557,6 +558,21 @@ public class Training2Service {
         }
     }
 
+    /**
+     * 实训准备开始
+     * @param group 仿真号
+     * @param user 操作人
+     */
+    public void prepareStart(String group, AccountVO user) {
+        Simulation simulation = groupSimulationCache.getSimulationByGroup(group);
+        BusinessExceptionAssertEnum.DATA_ERROR.assertTrue(simulation.getTraining2() != null, "未加载实训");
+        SocketMessageVO<Long> message = SocketMessageFactory.build(
+                WebSocketMessageType.Simulation_Training_Prepare_Start, simulation.getId(), simulation.getTraining2().getId());
+        Set<String> userIdSet = simulation.getSimulationUserIds().stream()
+                .filter(id -> !Objects.equals(id, user.getId().toString())).collect(Collectors.toSet());
+        stompMessageService.sendToUser(userIdSet, message);
+    }
+
     /**
      * 实训时创建仿真对象
      */
diff --git a/src/main/java/club/joylink/rtss/vo/client/WebSocketMessageType.java b/src/main/java/club/joylink/rtss/vo/client/WebSocketMessageType.java
index a52b2aee1..9231d46c9 100644
--- a/src/main/java/club/joylink/rtss/vo/client/WebSocketMessageType.java
+++ b/src/main/java/club/joylink/rtss/vo/client/WebSocketMessageType.java
@@ -377,6 +377,10 @@ public enum WebSocketMessageType {
     /**
      * ------------ 新实训消息 -----------
      */
+    /**
+     * 实训准备开始，其他成员加载实训内容消息
+     */
+    Simulation_Training_Prepare_Start,
     /**
      * 步骤开始时提示信息
      */
diff --git a/src/main/java/club/joylink/rtss/vo/client/factory/SocketMessageFactory.java b/src/main/java/club/joylink/rtss/vo/client/factory/SocketMessageFactory.java
index 4410b690a..b280d66ac 100644
--- a/src/main/java/club/joylink/rtss/vo/client/factory/SocketMessageFactory.java
+++ b/src/main/java/club/joylink/rtss/vo/client/factory/SocketMessageFactory.java
@@ -155,6 +155,7 @@ public class SocketMessageFactory {
                 break;
             }
             // 20220819
+            case Simulation_Training_Prepare_Start:
             case Simulation_Training_Step_Tip:
             case Simulation_Training_Step_Finish:
             case Simulation_Training_Audio_MATCH_RESULT: