Joint pain in the hand the day after drinking alcohol may be due to factors such as excessive drinking, gout and immune disorders. 1. Excessive drinking: excessive consumption of alcoholic beverages may cause metabolic dysfunction, water and sodium metabolism disorders and other problems, which in turn lead to pain in the affected joints. 2. Gout: Drinking alcohol is one of the common factors triggering acute attacks of gout, and the common symptoms of acute attacks of gout are joint pain, redness and swelling of joints. 3. Immune diseases: rheumatoid arthritis, ankylosing spondylitis and other immune diseases can cause joint pain, and these symptoms may be aggravated after drinking alcohol. There may be other reasons for hand joint pain the day after drinking alcohol, so we suggest that patients go to the relevant departments of regular hospitals for detailed counseling.