Gastrointestinal mesenchymal tumors often occur in the stomach and small intestine. It is usually divided into early stage and middle-late stage, early stage is usually asymptomatic, and middle-late stage is usually characterized by digestive symptoms. 1. Early stage: Early gastrointestinal mesenchymal tumor patients usually have small tumors, usually less than 5mm without obvious symptoms, usually found during physical examination, so it is easy to be ignored in the early stage. 2. Middle and late stage: with the aggravation of the disease, the tumor will gradually increase, and after developing into middle and late stage, the tumor will invade the digestive system. As a result, there will be pain in the upper abdomen, and the nature of pain is usually manifested as distension or hidden pain, and there may be early satiety, difficulty in swallowing and other symptoms. Patients with gastrointestinal mesenchymal tumors should go to the hospital in time for targeted examination and treatment to avoid delays.