Reasons for hand trembling after drinking: 1. It is related to the stimulating and excitatory effect of alcohol on the brain. The main component of alcohol is ethanol, ethanol in the body through the metabolism of the liver, decomposition will become acetaldehyde, acetaldehyde is easy to pass through the brain barrier, will stimulate the central nervous system of the patient’s brain, resulting in the central nervous system excitatory symptoms, which will lead to a decrease in muscle control, easy to show the symptoms of hand trembling. 2, after drinking hand trembling also because after drinking too much alcohol is not timely replenishment of glucose, there will be Transient hypoglycemic reaction, in the presence of transient hypoglycemic reaction will appear obvious hand trembling, heart trembling, a lot of sweating and other situations occur. Patients who often have hand tremors after drinking alcohol must pay attention to abstaining from drinking because this situation indicates that drinking has brought a lot of damage to the patient’s body and should be alert to alcoholic encephalopathy, such as a lack of B vitamins in the body due to long-term alcohol consumption, which will trigger peripheral neuropathy and cerebral neuropathy in patients, resulting in atrophy of the brain and cerebellum, manifesting as poor ataxia, hand tremors, limbs, tongue Tremor and other problems.