The headache the day after getting drunk, also known as hangover, is mainly due to the dilatation of blood vessels and insufficient blood supply to the brain after alcohol enters the body. Relief of headache the day after drunkenness can be relieved by food adjustment, drinking more water, taking a hot bath, and adequate rest: 1. Food adjustment: drinking tomato juice and honey water after drinking can replenish sugar and reduce the discomfort of headache after drinking. After drinking too much urine, blood potassium levels decrease, which in turn can lead to muscle weakness, increased blood pressure, headaches and other symptoms, at this time you can eat bananas to replenish potassium and relieve symptoms; 2, drink more water: drink more water, urinate more, as soon as possible, the body of alcohol out of the body, to relieve the symptoms of head discomfort; 3, take a hot bath: take a hot bath can promote blood circulation, enhance metabolism, promote the discharge of alcohol from the body, reduce the symptoms of hangover, and Protect brain cells from alcohol; 4, adequate rest: ensure sufficient sleep, can repair the damage of alcohol on the cells; 5, massage: appropriate massage of the head, can reduce the symptoms of headache; 6, appropriate outdoor exercise: can go out for a walk, to the fresh air for exercise, can reduce the impact of alcohol on the cerebral cortex, relieve headache; 7, ice: ice in an ice pack, wrapped in a towel Put ice in an ice pack, wrap it in a towel and apply it to the headache area. When the head vasoconstriction, the symptoms will be reduced, need to pay attention to the ice compress must pay attention to the regular replacement of parts to avoid frostbite. If the above measures are not effective, and the headache is more serious, it is recommended to go to the hospital for further examination and apply medication under the guidance of a doctor to exclude disease factors.