Submucosal bulge of gastric sinus is mostly caused by gastric mesenchymal tumor, gastric lipoma, gastric smooth muscle tumor and other digestive diseases, often manifested as abdominal distension, belching, nausea, abdominal pain and other symptoms; submucosal bulge of gastric sinus can also be asymptomatic. 1. Gastric mesenchymal tumor: mostly spherical or hemispherical, tough texture, nodular or lobular surface. It may cause epigastric pain or discomfort, nausea and vomiting, and some patients may have upper gastrointestinal bleeding and epigastric mass. 2. Gastric lipoma: there may be epigastric pain, nausea, vomiting and other symptoms. 3. Gastric smooth muscle tumor: mostly originated from the gastric muscle layer, clinical manifestations often include upper gastrointestinal bleeding, epigastric pain, abdominal mass and so on. Gastric sinus submucosal elevation may also have other causes, or no abnormal performance, it is recommended to go to the hospital in a timely manner, under the guidance of the doctor to give targeted treatment or treatment.