If you have a headache after drinking alcohol, you can eat the following kinds of fruits: 1, you can eat melon fruits, melon fruits are fruits with diuretic effect, such as watermelon, melon, cucumber, etc. are beneficial to water, laxative, diuretic, urinary effect. Through the principle of osmotic diuresis and promotion of urination can metabolize the excessive alcohol content in the body, can make the glomerular filtration rate and tubular reabsorption rate increase, so that the urine is discharged from the excessive alcohol content.2, headache after drinking can also eat heat-clearing, detoxifying fruits, such as pomelo, dragon fruit, kiwi and so on, this kind of fruit have heat-clearing, detoxifying effect, can alleviate the situation of headache.3, you can also eat Fruits with high sugar content can discharge the excessive alcohol accumulated in the body through the effect of osmotic diuresis.