If the tongue is bitten by teeth, if the wound is less than 0.5 cm, apply iodized glycerin after disinfection; if the wound is larger than 1 cm, it needs to be cleaned and sutured. 1. Apply iodized glycerin: If the tongue is bitten and the wound is less than 0.5 cm, and the wound is shallow and bleeding is relatively small, in this case there is no need for suturing, and iodized glycerin should be applied after disinfecting with iodophor, in order to promote the healing of the wound. 2. Cleansing and suturing: If the tongue bite wound is larger than 1cm, and the wound is deeper and bleeds more, then the wound needs to be cleansed and sutured. After the tongue is bitten, you should maintain good oral hygiene, you can choose the compound chlorhexidine gargle solution to gargle. After the tongue is bitten by the teeth, it is necessary to go to the hospital in time, and choose the most appropriate treatment according to the situation, so as to avoid infection.