There is no small trick to recover quickly after a child’s lip is bumped, it is recommended to carry out standard medical treatment, which should be based on the principle of controlling infection, ensuring healing, as well as not leaving scars. The metabolic level of the child’s organism is high, if the local care is proper, usually a few days later can gradually improve. After a child’s mouth is bumped, if the bleeding is small, it is first recommended to rinse the wound with clean water or sterile saline as soon as possible to rinse the sand and mud and other dirt to avoid secondary infection of the wound. After cleaning the wound, local disinfection with iodophor can be applied. Iodophor is less irritating to the wound and more acceptable to children, which can reduce the chance of infection. Alcohol disinfection should be avoided to avoid excessive stimulation of pain and aggravation of the child’s discomfort. If the child’s mouth is knocked at the wound is superficial but swollen, you can use clean gauze or towels wrapped in ice for local ice to help reduce swelling and pain. After a child’s lip is knocked, if the wound is deeper and bleeding more, it is recommended that after simple treatment, press the wound with gauze and promptly go to the hospital, where the doctor will determine the severity and, if necessary, may require wound closure after debridement. Sutures are helpful to prevent food residues and saliva from entering the wound and causing infection. After standard treatment, the wound can gradually recover. After the above treatment, a light diet, more fruits and vegetables, and less stimulating food are recommended to facilitate wound healing.