The precautions for men before circumcision are that people with coagulation disorders and congenital hypospadias are prohibited from surgery. After the operation, you need to pay attention to exercise, diet, local care, sexual stimulation and so on. 1. Contraindications: for the existence of coagulation disorders, congenital hypospadias, local acute infection and other conditions of patients, need to avoid circumcision. 2. Exercise: patients after circumcision need to pay more attention to rest, avoid long-term standing, walking, etc., should be bed rest for 3 to 4 days, avoid strenuous exercise. 3. Diet: patients need to avoid eating spicy and stimulating food, prohibit alcohol, need to eat more light and high nutritional value of food. 4. Local care: patients can use 1:5000 potassium permanganate solution to soak the head of the penis every day under the guidance of the doctor, and if the dressing is inadvertently wet during urination, it needs to be replaced in time. 5. Sexual stimulation: Remember to prohibit sexual intercourse for at least one month after surgery, and also stay away from sexual reading materials and movies to avoid sexual stimulation. To summarize, men need to strengthen the daily life management after circumcision, and go to the hospital on time for follow-up, so that the doctor can understand the postoperative recovery.