When the baby falls and breaks the skin, if it is only a mild skin abrasion, can be cleaned with iodine povidone and disinfected, if there is obvious swelling or abnormal activity, etc., need to consult a doctor in a timely manner. Therefore, when the baby fell and broke the skin, first look at the part of the fall and break the skin, if near the joints, then we should check whether the joints move abnormally, there is no localized swelling, obvious pain. If there is no abnormality, just skin abrasions, you can use iodine povidone to clean and disinfect, avoid local scratching, touching water, maintain local hygiene, generally do not need special treatment. If there is abnormal joint movement, localized swelling, etc., it is recommended to go to the hospital in time, under the guidance of the doctor for treatment, to avoid delaying the condition.