Gastric body polyp 0.3 generally refers to 0.3cm, whether it needs to be removed, according to the patient’s symptoms and the nature of the polyp to analyze, if there are no uncomfortable symptoms generally do not need to be removed. Gastric polyp 0.3cm belongs to the smaller size of the polyp, most patients tend to have no conscious symptoms. If the patient has no obvious discomfort symptoms, and can rule out the risk of cancer. For the time being, surgical resection is not necessary for treatment, and follow-up observation should be strengthened. In order to facilitate the emergence of abnormal conditions, it can be disposed of in time. If the patient has obvious abdominal pain, nausea and other uncomfortable symptoms, or if the patient is highly suspected to be cancerous, the patient should be diagnosed as soon as possible and treated by polypectomy under the guidance of the doctor. The nature, symptoms and growth rate of gastric polyps vary from patient to patient, and the corresponding medical measures must be in accordance with the doctor’s instructions.