If the mouth is bitten, if the wound is large, you can go to the stomatology department for debridement and suture treatment, after suturing, generally about 1 week to remove the stitches, and during this period need to maintain good oral hygiene, do not eat spicy and irritating food, regular drug changes. If you do not bite through a large wound, you can wait for it to heal on its own, and the wound will generally heal in the form of an ulcer. If the pain is heavy, you can use 1% procaine or 2% lidocaine topically, while the ulcerated surface can choose to use drugs to promote healing, commonly used are compound corticosteroid, ice borax, cidium tablets, or you can choose laser physiotherapy for treatment. If the mouth bite is due to small animals or the phenomenon of infection, the first need for rabies vaccination, or tetanus prophylaxis.