Mouth bitten by itself needs to be treated with disinfection, medication and stitches in combination with the depth and size of the wound. The mouth is bitten by itself, can be divided into the following situations: 1. If the bite wound is not big and deep, there is no obvious bleeding, usually minor, you can not do the suture treatment, it is recommended to use iodine povidone to carry out local disinfection, to promote the recovery of the wound, you can also go to the hospital for disinfection, combined with the degree of the bite wound to give the medical advice to the prevention of infection oral anti-inflammatory drugs, generally for the wound is not big can not be done to deal with the special treatment. 2. If the bite wound is large and deep, with obvious cracks and bleeding, it is recommended to go to the hospital for debridement and suturing, and remove the stitches about 1 week after suturing. Therefore, the mouth by their own bite need to be combined with the degree of trauma to choose the treatment, do not need to worry too much.