The headache the day after drinking alcohol can be relieved by applying the following methods: 1. The headache is caused by an increase in capillary permeability due to excessive accumulation of acetaldehyde in the body, at this time you can take certain non-steroidal antipyretic and analgesic drugs. The headache is caused by an increase in capillary vascular permeability due to the accumulation of acetaldehyde in the body, and can be treated with certain non-steroidal analgesics such as acetaminophen, indomethacin, compound aminobarbital water, and somitol. 2. 3, you can also use the ice method, such as dipping a towel in ice water, ice at the forehead or apply ice in the forehead for ice, can relieve the headache the next day after drinking alcohol. If the headache is not relieved after the application of the above methods, it is recommended to go to the hospital to perform rescue medication, such as injection of naloxone hydrochloride, etc. for treatment.