The hospitalization time for endoscopic resection of gastric mesenchymal tumor is related to the patient’s condition, recovery and other factors, usually there is no specific time, it is recommended to be discharged with the doctor’s permission after hospitalization for 5~7 days. Gastric mesenchymal tumor is a tumor originated from the interstitial lobe of the stomach, which may be related to gene mutation. It can be treated by endoscopic resection, which can reduce the damage of the tissues around the lesion site, and the patient’s recovery needs to be observed after the operation, so it is generally recommended to be discharged after 5~7 days after the operation. Gastric mesenchymal stromal tumor after surgery should be under the guidance of the physician to do a good job of postoperative care, is conducive to promoting the recovery of the condition, usually to develop good dietary habits and habits of life, the emergence of uncomfortable symptoms should be timely medical treatment.