What's with the tummy ache?

Stomach pain may be caused by unreasonable diet, indigestion, gastric ulcer and other reasons, as follows:

unreasonable diet: patients overeating will lead to increased burden on the gastrointestinal tract, there is a large amount of food accumulation in the stomach, a short time can not be digested, food will be fermented in the stomach gas, leading to gastric dilatation, abdominal pain.

Indigestion: the patient's gastrointestinal function weakened, unable to digest food in time, food accumulation in the stomach caused by abdominal pain.

Gastric ulcer: ulcer in the inner wall of the stomach, will affect digestion, leading to dyspepsia, so there are abdominal pain symptoms.