Scalp laceration clean suture can usually be removed after 5-7 days. However, some of the scalp lacerations are larger in scope or deeper in degree, and the contamination of the scalp is heavier, so it is necessary to change the medication frequently for observation, and decide the time to remove the stitches according to the situation of changing the medication. Nowadays, absorbable sutures have been used for wound closure. After wound healing with absorbable sutures, there is less inflammatory reaction of the skin, less scarring and no need to remove the sutures. Before suture removal, you should pay attention to your diet, don’t eat spicy and greasy food, stop smoking and drinking, and increase the intake of dietary fiber and protein food, which can help the wound recovery. Before removing the stitches, the wound should be kept away from water as much as possible. If the wound recovers well, you can wash your hair 2-3 days after removing the stitches.