diff --git a/liswork/src/main/java/com/czlis/liswork/controller/xtwh/AntibioticBreakpointController.java b/liswork/src/main/java/com/czlis/liswork/controller/xtwh/AntibioticBreakpointController.java
new file mode 100644
index 0000000..9005423
--- /dev/null
+++ b/liswork/src/main/java/com/czlis/liswork/controller/xtwh/AntibioticBreakpointController.java
@@ -0,0 +1,49 @@
+package com.czlis.liswork.controller.xtwh;
+
+import com.czlis.common.core.domain.Result;
+import com.czlis.common.core.domain.entity.lis.XmMed;
+import com.czlis.common.core.domain.entity.lis.XmMedDetail;
+import com.czlis.liswork.service.AntibioticBreakpointService;
+import io.swagger.annotations.Api;
+import io.swagger.annotations.ApiOperation;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.web.bind.annotation.*;
+
+import java.util.List;
+import java.util.Map;
+
+/**
+ * 抗生素折点范围字典
+ */
+@Api(tags = "抗生素折点范围字典")
+@RestController
+@RequestMapping("/xm")
+public class AntibioticBreakpointController {
+
+    @Autowired
+    private AntibioticBreakpointService antibioticBreakpointService;
+
+    @ApiOperation("获取菌属列表")
+    @GetMapping("/meddetail/germclass/list")
+    public Result getGermClassList() {
+        return antibioticBreakpointService.getGermClassList();
+    }
+
+    @ApiOperation("获取抗生素字典列表")
+    @GetMapping("/med/list")
+    public Result getAntibioticList(XmMed xmMed) {
+        return antibioticBreakpointService.getAntibioticList(xmMed);
+    }
+
+    @ApiOperation("获取折点范围数据")
+    @GetMapping("/breakpoint/list")
+    public Result getBreakpointList(@RequestParam String germClassCode) {
+        return antibioticBreakpointService.getBreakpointList(germClassCode);
+    }
+
+    @ApiOperation("批量保存折点范围")
+    @PostMapping("/breakpoint/batch")
+    public Result batchSaveBreakpoint(@RequestBody List<XmMedDetail> breakpointList) {
+        return antibioticBreakpointService.batchSaveBreakpoint(breakpointList);
+    }
+}
diff --git a/liswork/src/main/java/com/czlis/liswork/service/AntibioticBreakpointService.java b/liswork/src/main/java/com/czlis/liswork/service/AntibioticBreakpointService.java
new file mode 100644
index 0000000..cfa2a29
--- /dev/null
+++ b/liswork/src/main/java/com/czlis/liswork/service/AntibioticBreakpointService.java
@@ -0,0 +1,33 @@
+package com.czlis.liswork.service;
+
+import com.czlis.common.core.domain.Result;
+import com.czlis.common.core.domain.entity.lis.XmMed;
+import com.czlis.common.core.domain.entity.lis.XmMedDetail;
+
+import java.util.List;
+
+/**
+ * 抗生素折点范围字典服务
+ */
+public interface AntibioticBreakpointService {
+
+    /**
+     * 获取菌属列表
+     */
+    Result getGermClassList();
+
+    /**
+     * 获取抗生素字典列表
+     */
+    Result getAntibioticList(XmMed xmMed);
+
+    /**
+     * 获取折点范围数据
+     */
+    Result getBreakpointList(String germClassCode);
+
+    /**
+     * 批量保存折点范围
+     */
+    Result batchSaveBreakpoint(List<XmMedDetail> breakpointList);
+}
diff --git a/liswork/src/main/java/com/czlis/liswork/service/impl/AntibioticBreakpointServiceImpl.java b/liswork/src/main/java/com/czlis/liswork/service/impl/AntibioticBreakpointServiceImpl.java
new file mode 100644
index 0000000..ef8d669
--- /dev/null
+++ b/liswork/src/main/java/com/czlis/liswork/service/impl/AntibioticBreakpointServiceImpl.java
@@ -0,0 +1,61 @@
+package com.czlis.liswork.service.impl;
+
+import com.czlis.common.core.domain.Result;
+import com.czlis.common.core.domain.entity.lis.XmMed;
+import com.czlis.common.core.domain.entity.lis.XmMedDetail;
+import com.czlis.liswork.mapper.LisWorkGermMapper;
+import com.czlis.liswork.mapper.xtwh.XmMedMapper;
+import com.czlis.liswork.service.AntibioticBreakpointService;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
+
+import java.util.List;
+import java.util.Map;
+
+/**
+ * 抗生素折点范围字典服务实现
+ */
+@Service
+public class AntibioticBreakpointServiceImpl implements AntibioticBreakpointService {
+
+    @Autowired
+    private LisWorkGermMapper lisWorkGermMapper;
+
+    @Autowired
+    private XmMedMapper xmMedMapper;
+
+    @Override
+    public Result getGermClassList() {
+        List<Map<String, Object>> germClassList = lisWorkGermMapper.getGermClassList();
+        return new Result("0", "成功", germClassList);
+    }
+
+    @Override
+    public Result getAntibioticList(XmMed xmMed) {
+        List<XmMed> antibioticList = xmMedMapper.queryList(xmMed);
+        return new Result("0", "成功", antibioticList);
+    }
+
+    @Override
+    public Result getBreakpointList(String germClassCode) {
+        List<XmMedDetail> breakpointList = lisWorkGermMapper.getBreakpointList(germClassCode);
+        return new Result("0", "成功", breakpointList);
+    }
+
+    @Override
+    @Transactional
+    public Result batchSaveBreakpoint(List<XmMedDetail> breakpointList) {
+        try {
+            for (XmMedDetail detail : breakpointList) {
+                // 先删除旧数据
+                lisWorkGermMapper.deleteBreakpoint(detail.getXmdh(), detail.getYwdh());
+                // 再插入新数据
+                lisWorkGermMapper.insertBreakpoint(detail);
+            }
+            return new Result("0", "保存成功");
+        } catch (Exception e) {
+            return new Result("-1", "保存失败：" + e.getMessage());
+        }
+    }
+}