Stomach bloating by pressing on the left side of the navel may be caused by gastrointestinal dysfunction, chronic gastroenteritis, gastric ulcer and other diseases, which can be treated by non-pharmacological and pharmaceutical means. 1. Gastrointestinal dysfunction: due to infection, heredity, improper diet and other reasons, the appearance of the left side of the navel pressing stomach distension, can be adjusted by adjusting the structure of the diet, eat more light and easy to digest food, such as fresh vegetables and fruits, the use of the promotion of gastrointestinal dynamics of drugs, such as mosapride, domperidone, etc., and the protection of the gastric mucosa of the drug, such as aluminum hydroxide, magnesium alumina carbonate and so on. 2. Chronic gastroenteritis: patients due to infection, flora imbalance and other reasons, there will be abdominal distension, can take rehydration therapy, drug therapy, such as mesalazine, cyclosporine, atropine and so on. 3. Gastric ulcer: most patients are caused by Helicobacter pylori infection, which can be treated by quadruple drug therapy, such as lansoprazole, bismuth potassium citrate, clarithromycin, amoxicillin and so on. The left side of the navel press stomach distension, there are other reasons, it is recommended to go to the hospital, improve the examination, a clear diagnosis, symptomatic treatment, the above drugs need to be used under the guidance of a doctor, can not be blindly used on their own.