The most dangerous period of alcohol withdrawal is usually during the 7th-10th day of alcohol withdrawal, and there are usually three different periods of alcohol withdrawal. Emotional inhibition period, just after alcohol withdrawal, the patient will experience depressed mood, emotional inhibition adverse reactions or sluggish expressions, dementia, etc. This period is last until about 5-7 days, and then the manic phase will occur. The manic phase is on the 7th-10th day, and the patient will experience mania due to the alcohol phase, such as neurological dysfunction or the appearance of convulsions, seizures, epileptic petit mal seizures, and compulsive clonic seizures, all of which are reactions to alcohol withdrawal. The condition caused by abnormal discharge of brain neurons because of the dual physiological and psychological dependence effects of sudden alcohol withdrawal occurs on the 7th-10th day of withdrawal, so it is the most dangerous time on the 7th-10th day, and then it enters a relatively stable period of alcohol withdrawal.