Pediatric falls resulting in knee injuries are common surgical conditions that require full consultation and treatment. Treatment measures include the following: 1. If the injury is a skin abrasion: apply topical ointment, such as silver sulfadiazine cream, after local disinfection to prevent infection and promote healing. After a fall, the child should pay attention to the body to check whether there is bone or joint damage, and if necessary, a film is needed to exclude internal damage; 2. If the fall is serious: if the bleeding does not stop or the wound is deep, the wound should be sutured and cleared in time to remove the foreign body, brake if necessary, and follow up with the hospital regularly. Specific medication should be combined with clinical, by the doctor face to face guidance shall prevail.