Usually when you drink too much alcohol and have an upset stomach, you can improve your diet and use medication to relieve the symptoms. 1. Improve diet: Drink more warm water, which can effectively dilute stomach acid and alcohol in the stomach and reduce the stimulation of the stomach. Eat some millet porridge semi-liquid diet to reduce the burden on the stomach and alleviate the symptoms of stomach discomfort. 2. Use of drugs: Take some antidote to alcohol can accelerate the metabolism of alcohol, reduce the damage of alcohol on the stomach, as well as the liver and kidneys. Commonly used drugs are naloxone hydrochloride and so on. Under the guidance of the doctor to take gastric mucosa protector, such as colloidal bismuth pectin, magnesium aluminum carbonate and so on. In addition, it is recommended that patients who drink too much alcohol and have an upset stomach go to the hospital in time and follow the doctor’s instructions for medication to avoid delaying the condition.