Acne in the stomach may be related to gastric polyps, gastric lipoma and so on. 1. Gastric polyp: it is the protruding papillary tissue growing on the surface of gastric mucosa, and most of the patients do not have uncomfortable symptoms. They are usually found through gastroscopy and can be removed endoscopically. 2. Gastric lipoma: It is caused by abnormal accumulation of fat due to abnormal lipid metabolism, commonly found in the gastric body, gastric sinus and other parts of the stomach. Patients may experience symptoms such as fullness and vomiting. When found, endoscopic resection is recommended. Pox in the stomach may also be related to malignant tumors, if found, it is recommended to do timely pathological examination to clarify the cause. Dietary advice is to focus on a light and easy-to-digest diet, avoiding spicy, cold and greasy foods. Make a habit of regular gastroscopy.