diff --git a/openhis-server-new/openhis-application/src/main/java/com/openhis/web/triageandqueuemanage/dto/CallNumberDisplayResp.java b/openhis-server-new/openhis-application/src/main/java/com/openhis/web/triageandqueuemanage/dto/CallNumberDisplayResp.java
new file mode 100644
index 00000000..2fc0efef
--- /dev/null
+++ b/openhis-server-new/openhis-application/src/main/java/com/openhis/web/triageandqueuemanage/dto/CallNumberDisplayResp.java
@@ -0,0 +1,67 @@
+package com.openhis.web.triageandqueuemanage.dto;
+
+import lombok.Data;
+
+import java.util.List;
+
+/**
+ * 叫号显示屏响应DTO
+ */
+@Data
+public class CallNumberDisplayResp {
+    /** 科室名称 */
+    private String departmentName;
+    
+    /** 当前叫号信息 */
+    private CurrentCallInfo currentCall;
+    
+    /** 等候患者列表（按医生分组） */
+    private List<DoctorGroup> waitingList;
+    
+    /** 等待总人数 */
+    private Integer waitingCount;
+    
+    /**
+     * 当前叫号信息
+     */
+    @Data
+    public static class CurrentCallInfo {
+        /** 排队号 */
+        private Integer number;
+        /** 患者姓名（脱敏） */
+        private String name;
+        /** 诊室号 */
+        private String room;
+        /** 医生姓名 */
+        private String doctor;
+    }
+    
+    /**
+     * 医生分组信息
+     */
+    @Data
+    public static class DoctorGroup {
+        /** 医生姓名 */
+        private String doctorName;
+        /** 诊室号 */
+        private String roomNo;
+        /** 该医生的患者列表 */
+        private List<PatientInfo> patients;
+    }
+    
+    /**
+     * 患者信息
+     */
+    @Data
+    public static class PatientInfo {
+        /** 队列项ID */
+        private Long id;
+        /** 患者姓名（脱敏） */
+        private String name;
+        /** 状态：CALLING=就诊中，WAITING=等待 */
+        private String status;
+        /** 排队号 */
+        private Integer queueOrder;
+    }
+}
+
diff --git a/openhis-server-new/openhis-application/src/main/java/com/openhis/web/triageandqueuemanage/sse/CallNumberSseManager.java b/openhis-server-new/openhis-application/src/main/java/com/openhis/web/triageandqueuemanage/sse/CallNumberSseManager.java
new file mode 100644
index 00000000..e29ead4e
--- /dev/null
+++ b/openhis-server-new/openhis-application/src/main/java/com/openhis/web/triageandqueuemanage/sse/CallNumberSseManager.java
@@ -0,0 +1,81 @@
+package com.openhis.web.triageandqueuemanage.sse;
+
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.stereotype.Component;
+import org.springframework.web.servlet.mvc.method.annotation.SseEmitter;
+
+import java.io.IOException;
+import java.util.Map;
+import java.util.concurrent.ConcurrentHashMap;
+import java.util.concurrent.CopyOnWriteArraySet;
+
+/**
+ * 叫号显示屏 SSE 管理器（服务端推送）
+ */
+@Slf4j
+@Component
+public class CallNumberSseManager {
+
+    private static final long NO_TIMEOUT = 0L;
+    private static final Map<Long, CopyOnWriteArraySet<SseEmitter>> emitterMap = new ConcurrentHashMap<>();
+
+    /**
+     * 创建并注册一个 SSE 连接（按科室分组保存）
+     */
+    public SseEmitter addEmitter(Long organizationId) {
+        SseEmitter emitter = new SseEmitter(NO_TIMEOUT);
+        emitterMap.computeIfAbsent(organizationId, k -> new CopyOnWriteArraySet<>()).add(emitter);
+
+        emitter.onCompletion(() -> removeEmitter(organizationId, emitter));
+        emitter.onTimeout(() -> removeEmitter(organizationId, emitter));
+        emitter.onError((ex) -> removeEmitter(organizationId, emitter));
+
+        log.info("SSE连接建立：科室ID={}, 当前该科室连接数={}",
+            organizationId, emitterMap.get(organizationId).size());
+        return emitter;
+    }
+
+    /**
+     * 向指定科室的所有 SSE 连接推送消息
+     */
+    public void pushToOrganization(Long organizationId, Object message) {
+        CopyOnWriteArraySet<SseEmitter> emitters = emitterMap.get(organizationId);
+        if (emitters == null || emitters.isEmpty()) {
+            log.debug("科室{}没有SSE连接，跳过推送", organizationId);
+            return;
+        }
+
+        for (SseEmitter emitter : emitters) {
+            if (!sendToEmitter(emitter, message)) {
+                removeEmitter(organizationId, emitter);
+            }
+        }
+    }
+
+    /**
+     * 向单个 SSE 连接发送数据
+     */
+    public boolean sendToEmitter(SseEmitter emitter, Object data) {
+        try {
+            emitter.send(SseEmitter.event().data(data));
+            return true;
+        } catch (IOException e) {
+            log.warn("SSE推送失败：{}", e.getMessage());
+            return false;
+        }
+    }
+
+    /**
+     * 断开或异常时移除 SSE 连接
+     */
+    private void removeEmitter(Long organizationId, SseEmitter emitter) {
+        CopyOnWriteArraySet<SseEmitter> emitters = emitterMap.get(organizationId);
+        if (emitters != null) {
+            emitters.remove(emitter);
+            if (emitters.isEmpty()) {
+                emitterMap.remove(organizationId);
+            }
+        }
+    }
+}
+