Weakness after drinking too much alcohol may be caused by alcohol inhibition of the central nervous system, alcohol poisoning, etc. The patient can be relieved by strengthening rest, paying attention to observation, and taking medication. 1. Alcohol inhibits the central nervous system: alcohol has a paralyzing effect on the central nervous system, drinking too much alcohol may lead to fatigue, drowsiness and other symptoms, which is a normal physiological phenomenon. Usually only need to strengthen the rest, pay attention to observation can be. At the same time, should be timely replenishment of water or glucose water, which is conducive to the metabolism of alcohol in the body, and pay attention to avoid choking. 2. Alcohol poisoning: general patients who drink too much alcohol may occur alcohol poisoning, especially in the ataxia period, and the symptoms of weakness, for this symptom, should strengthen observation, timely supplementation of water, avoid choking. If the patient has symptoms such as impaired consciousness, it can also be treated with drugs such as naloxone under the advice of a doctor. If other symptoms occur after drinking, the patient should seek medical treatment in time to avoid delaying the condition.