Drinking alcohol after blood donation can be improved by drinking more warm water as appropriate, balanced nutrition and paying attention to rest. The human body should avoid drinking alcohol after blood donation, drinking alcohol after blood donation can aggravate the discomfort caused by blood donation. 1. Drink warm water: After donating blood, human beings will lose some blood volume, and drinking alcohol can cause dizziness and other discomforts. Drinking warm water to replenish blood volume and dilute blood alcohol concentration can promote metabolism, which is conducive to better libation. 2. Nutritional balance: Eat more fresh fruits and vegetables, such as apples, grapes, strawberries, etc. The above fruits are rich in vitamins and trace elements, which are conducive to detoxification and replenishment of the human body, and you can also eat foods rich in high protein, such as eggs and milk. 3. Pay attention to rest: after donating blood, people would have caused dizziness and other physical discomfort, and drinking alcohol can aggravate this discomfort, so patients need to rest in time, to ensure adequate sleep, and can not stay up too late and labor. If there is no improvement after blood donation through the above methods, you need to go to the hospital immediately for treatment by a physician.