Gastric polyp 0.3-0.5cm, generally do not need to do surgery, but can not be generalized, the specific situation needs to be based on the condition of malignant lesions and whether to affect the normal physiological function of the decision. Gastric polyp 0.3-0.5cm, generally belong to benign lesions, there is no other discomfort symptoms and the polyp does not grow, for daily life and physiological function of the polyp does not affect, under normal circumstances, regular examination can be, do not need to carry out surgical treatment. However, if there are uncomfortable symptoms such as abdominal pain, nausea, abdominal distension and abnormal growth of polyps, it is necessary to pay extra attention to the fact that cancerous lesions may have occurred, and it is necessary to consult a doctor in time and follow the doctor’s advice to carry out surgical treatment. When you experience discomfort, you should go to the hospital for examination and treatment in time to avoid the deterioration of your condition, which may affect your daily life and health.