If the thread breaks open within one week after circumcision, it usually needs to be re-sutured, if it is after one week, it can be given antiseptic solution for disinfection and can be healed on its own. 1. Within one week after circumcision: if the thread breaks open within one week after circumcision, you need to observe whether the wound is cracked or not, whether there is bleeding or not, if the wound is cracked, bleeding or hematoma, you need to go to the hospital quickly and have it re-sutured according to the need. 2. After one week of circumcision: usually after one week the thread collapses, if the wound has been well aligned and there is no sign of infection, there is no need to re-suture, you need to use tincture of iodine and other antiseptic solution to wipe and then use sterile gauze for bandaging until complete wound healing. It is recommended that patients with the above situation should go to the hospital for examination in time, pay attention to body care as well as dietary health, avoiding spicy and stimulating foods, smoking, drinking, and so on.