Vomiting after drinking alcohol can be relieved by drinking more water, taking gastric protection and acid-suppressing drugs (e.g., omeprazole) and intravenous drugs (e.g., naloxone). 1. Drink more water: Drinking water can promote the decomposition of alcohol, or drink some fruit juices containing fructose, such as grape juice, tomato juice and watermelon juice, etc., which can neutralize the ethanol in alcohol and achieve the effect of antiemetic. 2. Gastric acid-suppressing drugs: Omeprazole, lansoprazole and ranitidine can be taken under the guidance of a doctor. Drinking alcohol will cause gastric mucous membrane damage, so that the internal environment of the patient’s body is disturbed, the patient can take this kind of drugs to achieve the effect of gastric acid inhibition, can improve the symptoms of post-drinking vomiting. This kind of drug may cause allergic phenomenon, this kind of drug ingredients allergic people are prohibited to take. 3. Intravenous drugs: Patients can choose to inject high concentration glucose injection, naloxone injection, metoclopramide injection and other drugs intravenously. The injection can dilute the alcohol in the blood, decompose and discharge the alcohol in the body through blood circulation, protect the gastric mucosa, and achieve the purpose of relieving alcohol and stopping vomiting. If the patient’s symptoms are serious and breathing difficulty occurs, it is recommended to go to the hospital in time for treatment, and the drugs should be used under the guidance of a doctor.