diff --git a/src/main/java/org/springblade/modules/martial/service/IScheduleArrangeService.java b/src/main/java/org/springblade/modules/martial/service/IScheduleArrangeService.java
new file mode 100644
index 0000000..26be18e
--- /dev/null
+++ b/src/main/java/org/springblade/modules/martial/service/IScheduleArrangeService.java
@@ -0,0 +1,35 @@
+package org.springblade.modules.martial.service;
+
+import org.springblade.modules.martial.pojo.dto.MoveScheduleGroupDTO;
+import org.springblade.modules.martial.pojo.dto.SaveScheduleDraftDTO;
+
+/**
+ * Schedule Arrangement Service Interface
+ * Responsible for managing schedule arrangements and grouping
+ */
+public interface IScheduleArrangeService {
+
+    /**
+     * Save schedule draft
+     *
+     * @param dto Schedule draft data
+     * @return Success flag
+     */
+    boolean saveDraftSchedule(SaveScheduleDraftDTO dto);
+
+    /**
+     * Save and lock schedule
+     *
+     * @param dto Schedule draft data
+     * @return Success flag
+     */
+    boolean saveAndLockSchedule(SaveScheduleDraftDTO dto);
+
+    /**
+     * Move schedule group to different venue/time slot
+     *
+     * @param dto Move operation data
+     * @return Success flag
+     */
+    boolean moveScheduleGroup(MoveScheduleGroupDTO dto);
+}