If you drink alcohol and vomit easily, but your mind is clear, you should consider that it is caused by gastric mucous membrane damage and acute gastric dilatation. 1. Gastric mucous membrane damage: after drinking, alcohol causes gastric mucous membrane erosion, edema, which causes reflex vomiting, so it is recommended to consume some food or gastric drugs before drinking, such as bismuth potassium citrate and so on. 2. Acute gastric dilatation: If you drink too much alcohol too fast, it can cause acute gastric dilatation, but the human body’s stomach has a limited volume, which will lead to the phenomenon of vomiting, so you should pay attention to drinking in moderation, do not overeat. It is recommended that people who drink and vomit easily, but are sober, develop good eating habits and avoid drinking large amounts of alcohol in a short period of time. If vomiting is excessive or causes other discomforts, it is necessary to consult a doctor in time and not to take medication blindly.