Drinking alcohol on the body, face itching, may be related to personal constitution, alcohol allergy, can also be considered pathological factors. 1. Individual physique: everyone’s physique is different, some people drink alcohol itchy skin, consider and physique related. Alcohol into the human body leads to increased blood alcohol concentration, will cause stimulation of the skin, resulting in capillary dilation, peripheral nerve excitability increases, can cause generalized skin itching. 2. Alcohol allergy: in addition to itchy skin after drinking, there are symptoms such as redness, swelling, rash, etc., can also be considered related to alcohol allergy. Allergic patients are allergic to alcohol, and it is easy to cause the above symptoms after drinking. 3. Pathological factors: If you have skin diseases, such as eczema, neurodermatitis, etc., the blood circulation of the human body is accelerated after drinking alcohol, which may lead to the aggravation of the original skin diseases. Patients with liver disease may experience itchy skin after drinking alcohol, which increases the burden on the liver. Itchy skin after drinking, with a variety of factors, it is recommended to pay attention to the care of the skin, avoid scratching stimulation, do not use hot water scalding, to avoid aggravation of the symptoms. Also go to the hospital dermatology department to find the cause, targeted treatment.