diff --git a/crates/erp-core/src/health_provider.rs b/crates/erp-core/src/health_provider.rs
new file mode 100644
index 0000000..b31d995
--- /dev/null
+++ b/crates/erp-core/src/health_provider.rs
@@ -0,0 +1,99 @@
+use async_trait::async_trait;
+use serde::{Deserialize, Serialize};
+use uuid::Uuid;
+
+use crate::error::AppResult;
+
+/// 健康数据提供者 trait，由 erp-health 实现
+/// 返回的 DTO 已脱去 PII（姓名、身份证号等），只包含年龄/性别/医疗数据
+#[async_trait]
+pub trait HealthDataProvider: Send + Sync {
+    /// 获取化验报告（指标列表）
+    async fn get_lab_report(
+        &self,
+        tenant_id: Uuid,
+        report_id: Uuid,
+    ) -> AppResult<LabReportDto>;
+
+    /// 获取生命体征趋势数据
+    async fn get_vital_signs(
+        &self,
+        tenant_id: Uuid,
+        patient_id: Uuid,
+        metrics: &[String],
+        range: &TimeRange,
+    ) -> AppResult<Vec<VitalSignDto>>;
+
+    /// 获取患者摘要（用于个性化方案）
+    async fn get_patient_summary(
+        &self,
+        tenant_id: Uuid,
+        patient_id: Uuid,
+    ) -> AppResult<PatientSummaryDto>;
+
+    /// 获取完整健康报告（用于摘要生成）
+    async fn get_full_report(
+        &self,
+        tenant_id: Uuid,
+        report_id: Uuid,
+    ) -> AppResult<HealthReportDto>;
+}
+
+// === DTO 定义 ===
+
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct TimeRange {
+    pub start: chrono::DateTime<chrono::Utc>,
+    pub end: chrono::DateTime<chrono::Utc>,
+}
+
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct LabReportDto {
+    pub age_group: String,
+    pub sex: String,
+    pub department: String,
+    pub report_date: String,
+    pub items: Vec<LabItemDto>,
+}
+
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct LabItemDto {
+    pub name: String,
+    pub value: f64,
+    pub unit: String,
+    pub reference_range: String,
+    pub is_abnormal: bool,
+}
+
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct VitalSignDto {
+    pub metric: String,
+    pub values: Vec<(String, f64)>,
+    pub unit: String,
+}
+
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct PatientSummaryDto {
+    pub age_group: String,
+    pub sex: String,
+    pub chronic_conditions: Vec<String>,
+    pub medications: Vec<String>,
+    pub family_history: Vec<String>,
+    pub last_checkup_date: String,
+}
+
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct HealthReportDto {
+    pub age_group: String,
+    pub sex: String,
+    pub department: String,
+    pub report_date: String,
+    pub sections: Vec<ReportSectionDto>,
+}
+
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct ReportSectionDto {
+    pub title: String,
+    pub findings: Vec<String>,
+    pub abnormal_items: Vec<String>,
+}
diff --git a/crates/erp-core/src/lib.rs b/crates/erp-core/src/lib.rs
index c66a748..ed8fd5e 100644
--- a/crates/erp-core/src/lib.rs
+++ b/crates/erp-core/src/lib.rs
@@ -3,6 +3,7 @@ pub mod audit_service;
 pub mod entity;
 pub mod error;
 pub mod events;
+pub mod health_provider;
 pub mod module;
 pub mod rbac;
 pub mod sanitize;