The following are common causes of vomiting: 1, overeating, eating spicy, stimulating, fried, charcoal-fired, pickled, expired, contaminated food, drinking alcohol and or drinking carbonated beverages, irritation of the gastrointestinal mucosa, resulting in vomiting, should develop good habits, including regular meals, quit drinking, quit smoking, etc. 2, taking drugs that stimulate the gastrointestinal mucosa, many drugs have certain adverse effects on the gastrointestinal tract, should 3. Inflammation, ulcers and tumors of the digestive system are also the main causes of vomiting, which can be clearly diagnosed by gastroscopy. 4. Vomiting caused by other systemic diseases, such as gastrointestinal reactions caused by cardiopulmonary insufficiency and abdominal infections such as acute cholecystitis, pancreatitis and intestinal obstruction, need to actively improve the relevant examination and be The diagnosis should be clarified and then treated in a targeted manner.