Alcohol intoxication is commonly known as drunkenness. Alcohol (ethanol) can cause excitation and then depression of the central nervous system when a large amount of alcoholic beverage is consumed at one time, and severe intoxication can cause death by respiratory and heartbeat depression. Common symptoms: blurred consciousness, coma with eyes open, mental disorders, breath smells like alcohol, uncontrollable urge to drink, etc. Prevention: 1. Carry out publicity and education against alcoholism, create alternative conditions, and strengthen recreational and sports activities. 2, when drinking alcohol to achieve the good habit of “drinking without getting drunk”, do not use alcohol as a medicine to relieve the worries, loneliness, frustration and work pressure, etc.. 3, when drinking alcohol should not disrupt the diet, do not “wine as a meal”, so as not to cause malnutrition. 4, once addicted, should be quickly quit alcohol, withdrawal syndrome should be carefully cared for, serious cases must be hospitalized. Anti-drinking drugs can be applied, such as abstinence from alcohol sulfur and dysentery to discontinue drinking and create an aversion to alcohol, or subcutaneous injections of apomorphine can be applied while drinking to cause an aversive conditioned reflex to quit drinking. 5. After the alcoholic psychiatric patients quit drinking and their symptoms improve significantly, they should be helped to solve their interpersonal problems and achieve social rehabilitation.