The main causes of frequent stomach pain are: 1. dietary factors, mainly due to spasm of the gastrointestinal tract caused by food stimulation after eating cold food, thus causing stomach pain. 2. environmental factors, mainly related to the inhalation of cold air, abdominal cold and other reasons, resulting in spasm of the smooth muscle of the gastrointestinal tract and stomach pain symptoms. 3. peptic ulcer, mainly due to diet, drugs and stress and other reasons. Caused, the stomach pain is manifested as regular stomach pain related to eating. The pain is mainly after eating, while duodenal ulcers are painful on an empty stomach, which can be relieved after eating or after taking stomach acid inhibiting drugs. 4, chronic gastritis, mainly due to chronic damage to the gastric mucosa, leading to increased damage to the gastric mucosa after eating, stimulation after cold, etc., and even bleeding of the gastric mucosa leading to recurrent stomach pain.