After drinking alcohol stomach upset should be light diet, can also follow the doctor’s advice to take bismuth potassium citrate, omeprazole and other drugs. Alcohol can damage the gastric mucosa, gastric acid also has a certain stimulating effect on the gastric mucosa, after drinking alcohol will produce symptoms of stomach discomfort. At this time, you should eat a light diet to reduce stomach irritation and alleviate discomfort. If the symptoms are more serious, you can also take some drugs to improve the symptoms, usually under the guidance of the doctor to choose the gastric mucosa protector, such as bismuth potassium citrate. Acid suppressants such as omeprazole can also be taken. In addition, attention should be paid to the presence of other gastric diseases such as gastric ulcer, gastritis, etc. Patients with gastric diseases are more likely to produce symptoms of gastric discomfort by drinking alcohol. Usually should try to drink as little alcohol as possible, before drinking alcohol can eat some other food to reduce the gastric mucosa of the stimulation. If you still can’t get better by using the above methods, it is recommended to go to the hospital in time, complete the gastroscopy and other related examinations, clarify the cause of the disease, and treat the cause of the disease.