Whether or not you can have intercourse after blood donation depends on your health condition. For those who are physically fit and have no abnormalities after blood donation, such as no dizziness, fatigue or weakness, they can have intercourse but they should be careful not to be too strenuous to avoid excessive energy consumption. If your body is weak and you experience dizziness and fatigue after blood donation, it is recommended that you do not have intercourse for a few days and it is more appropriate to have intercourse after your body has recovered. After blood donation, it is necessary to take rest and especially to drink more sugar water and milk to replenish the lost water and energy to avoid symptoms such as hypoglycemia. Within a week after blood donation, you should pay attention to a reasonable diet and strengthen nutrition, especially protein-rich foods such as milk, soy milk, eggs, fish, shrimp, lean meat, etc.