Weakness after drinking may be due to alcohol poisoning, electrolyte disorders, hypoglycemia, etc., can be solved by inhaling oxygen, replenishing energy, replenishing electrolytes, replenishing glucose and so on. 1. Alcohol poisoning: weakness after drinking may be caused by alcohol poisoning can cause cerebral ischemia, hypoxia, resulting in weakness, can be solved by oxygen inhalation, energy supplementation. 2. Electrolyte disorders: weakness after drinking may be due to vomiting, causing loss of body fluids, inducing low blood sodium, potassium, low blood calcium, weakness, can be supplemented with electrolytes and other solutions. 3. Hypoglycemia: weakness after drinking may be due to alcohol metabolism, consuming glucose, so there will be weakness, you can supplement glucose and so on to solve the problem. If the symptoms of weakness after drinking are serious, or if the symptoms persist and do not improve, the patient should go to the hospital in time for treatment.