Pain in the lower back after drinking alcohol is common for the following reasons: 1. Severe alcohol abuse can cause the patient to be in deep sleep, and the sleep process can cause lumbar strain due to improper sleep posture, which can lead to muscle tension, stiffness, pain and limited activity; 2. Alcohol produces a large amount of acetic acid in the body, and acetic acid can stimulate the lumbar muscles causing inflammatory changes in the nerve endings, which can also lead to lumbar pain symptoms, generally soreness and weakness in the lower back Performance. After drinking alcohol pain in the lumbar region is recommended as follows: 1, early treatment, by drinking a lot of water can accelerate urination, so that acetic acid and other metabolites quickly out of the body, can relieve the clinical symptoms of lumbar pain; 2, appropriate rest, lumbar hot compress treatment, can improve local blood circulation, reduce pain symptoms.