Nausea and vomiting after drinking alcohol indicates that the mucous membrane in the stomach is stimulated by alcohol and this stressful reaction occurs. At this time, the mucous membrane in the stomach is in acute spasm, and it is recommended to consider giving food or medication to protect the mucous membrane. For example, drinking a glass of honey water or warm milk can effectively relieve the reaction to alcohol. You can also consider taking oral montmorillonite, rehabilitation liquid and other such drugs to protect the mucosa and relieve spasm. For patients who are already intoxicated, it is best to go to the hospital to avoid acute alcohol poisoning, consider the application of drugs such as naloxone, and give a lot of input of sugar saline, tachyphylaxis and other drugs, which can accelerate the metabolism of alcohol and prevent the emergence of serious alcohol poisoning.