Gastric body mesenchymal tumor is smaller than 1 cm, it is not necessary to do surgery, mainly depends on the specific location and disease progression. Gastric body mesenchymal tumor is a kind of benign tumor that occurs in the stomach, in most cases, the disease progress is relatively slow, if the size of the tumor is relatively small, less than 1 cm, and does not cause obvious clinical symptoms, most of the time do not need to take surgical treatment, but pay attention to the dynamic observation, and regularly go to the hospital for review. If the location of gastric mesenchymal tumor is special, such as in cardia or pylorus, or the growth rate of gastric mesenchymal tumor is relatively fast, it is generally necessary to intervene in the treatment as early as possible and adopt surgical resection. Whether gastric mesenchymal tumor requires surgical treatment mainly depends on further examination and the patient’s clinical symptoms, which need to be handled or treated in cooperation with the doctor.