Objective：To analyze the clinical features and diagnostic methods of small intestinal hemorrhage. Methods：The pathologi－cally confirmed clinical data of 84 patients with small intestinal hemorrhage were collected. All patients were admitted to the First Affiliated Hospital of Chongqing Medical University from January 2011 to December 2013. The manifestation，etiology，lesion and check methods were separately discussed. Results：Tumor was the most frequent cause of small intestinal hemorrhage，accounted for 61.90%（52/84）of all cases，followed by thrombotic diseases，small intestinal diverticulum，ulcer，accounted for 11.90%，8.33%，5.95%，respec－tively. Other rare causes were acute hemorrhagic necrotizing enteritis，intestinal polyps，Crohn’s disease，intestinal tuberculosis，allergic purpura. The clinical manifestation was mainly tarry stool，and accompany symptoms include abdominal pain，fever，abdominal mass，diarrhea，etc. The bleeding lesions were mainly located in jejunum and ileum. Conclusion：Tumor is the major cause of small intesti－nal hemorrhage. It is difficult to diagnose small intestinal hemorrhage. We should combine the various check methods with etiology characteristic of small intestinal bleeding to develop different diagnostic methods.