The reason for the numbness of the hands and feet after drunkenness is mainly related to the stimulation of the peripheral nerves and the center of ethanol and the lack of B vitamins. 1. Alcohol peripheral nerve stimulation: alcohol mainly contains ethanol ethanol, into the human body after metabolism will form acetaldehyde, a large number of drinking before the peripheral nerve stimulating effect, appeared numbness of the hands and feet numbness of the symptoms, if a long time a large number of drinking, may cause damage to the peripheral nerve. 2. Stimulation of the alcohol center: long-term heavy drinking also has a certain effect on the central nervous system, leading to alcoholism, may appear hand numbness and foot numbness symptoms. 3. Alcohol leads to B vitamin deficiency: long-term drinking may also lead to malnutrition, so that B vitamin deficiency, the symptoms of numbness of the hands and feet. It is recommended that patients drink appropriately to avoid the damage caused by a large number of alcohol on the body. There are other reasons for the numbness of hands and feet after getting drunk, please consult the hospital in time to avoid delaying the condition.