Pain in the buttocks after drinking wine is common for the following reasons: a. Lumbar disc herniation: after drinking alcohol will cause local blood vessels to dilate, leading to an increased inflammatory response. Stimulation of the nerve will make the nerve appear radioactive pain, pain can be involved from the waist to the buttocks, serious cases can also be dissipated to the lower limbs, causing lower limb walking dysfunction, through CT scan or MRI examination, can find the location of lumbar spine lesions. Second, anal diseases: such as perianal abscess, anal fissure, hemorrhoids, etc., can be aggravated by local symptoms after drinking alcohol, resulting in painful buttocks symptoms, and painful symptoms can be aggravated during defecation, and lesions can be confirmed through rectal finger examination. Early diagnosis and early treatment can make the painful symptoms in the buttocks after drinking alcohol relieved; if treatment is delayed, it may aggravate the local symptoms and affect the normal life of the patient. Third, femoral head necrosis: long-term large intake of liquor can lead to bilateral femoral head necrosis, which should be alerted