The causes of intermittent stomach pain may be improper diet and exposure to cold, gastric ulcer, gastric tumor and so on. 1. Improper diet and exposure to cold: if the patient overeats or the stomach is exposed to cold, it may lead to spasm of the smooth muscle of the stomach, which may lead to intermittent pain in the stomach. 2. Gastric ulcer: it is usually a kind of ulcerative disease of the mucous membrane of the stomach wall, and the ulcer can penetrate deep into the stomach muscle layer and even perforate, so patients with gastric ulcer can have intermittent pain in the stomach. 3. Gastric tumor: usually there are no obvious symptoms in the early stage, patients in the late stage, the tumor may appear intermittent stomach pain, with the development of the disease, the pain may be gradually aggravated. There are many other reasons for intermittent stomach pain, it is recommended that patients who have this symptom need to consult a doctor in time, and carry out standardized treatment after the cause of the disease is clarified.