Children who have broken the skin need to carry out first wound debridement treatment, and then disinfection, if necessary, also need to use medication treatment. 1. Cleansing: If the area where the child fell and broke the skin is dirty, it is recommended to clean the wound with water to avoid secondary infection. 2. Disinfection: iodophor can be used to disinfect the wound to avoid secondary infection; if there is blood seepage from the broken skin, you can use gauze, band-aid and other simple bandages in the local area after disinfection treatment to protect the wound and promote healing. 3. medication: if the broken skin of the wound is relatively large, and there is obvious redness, swelling, oozing, secretions and other bacterial infections, it is recommended that oral cefixime, amoxicillin and other anti-infective drugs, infection treatment; if the wound is deeper, you need to be stitched up as well as inoculated tetanus vaccine. In addition, the child fell through the skin scab, to wait for its natural fall, avoid scratching or forced peeling off the scab, so as not to lead to scarring.