The stomach distension clinically refers to abdominal distension and abdominal pain, which may be caused by gastrointestinal dysfunction, gastroenteritis, intestinal obstruction, etc. It is recommended to carry out medication such as domperidone, pivoxyl bromide, montelukast and other surgical treatments according to the different causes of the disease. 1. Gastrointestinal dysfunction: Gastrointestinal dysfunction will affect the normal peristaltic function of the stomach and intestines, which can be manifested as abdominal distension and abdominal pain. Domperidone, mosapride and other drugs to promote gastric power can be applied to relieve bloating, belching (hiccups) and other symptoms, with pivoxyl bromide, trimethoprim and other antispasmodic drugs to regulate intestinal motility. 2. Gastroenteritis: the decline in gastrointestinal function leads to inflammation of the gastrointestinal mucosa, which will cause abdominal distension, abdominal pain, diarrhea and other symptoms. General application of atropine, scopolamine and other drugs to reduce intestinal spasm and relieve pain. At the same time take montelukast and other intestinal mucosal protective agents to relieve diarrhea. 3. Intestinal obstruction: due to the intestinal contents can not be discharged smoothly, resulting in the accumulation of intestinal obstruction caused by abdominal distension, abdominal pain symptoms. Drug treatment can be applied to correct the electrolyte balance of the body such as potassium chloride injection, fleroxacin injection, etc., to prevent infection, and in serious cases, open surgery and laparoscopic surgery should be performed to give surgical treatment. When symptoms of abdominal distension and abdominal pain occur, please do not self-medication, it is recommended to go to the hospital to consult the doctor, after clarifying the cause of the disease, under the guidance of the doctor to standardize the treatment.