After a child scratches his or her face, there is usually an oozing blood-like change that proves that the subcutaneous tissue has been damaged. In this case, it is necessary to disinfect with iodophor solution immediately to avoid contact with dirt and allow the surface skin to heal on its own. After the skin has healed, you can choose to apply humanoid collagen repair silicone gel to avoid scarring. If red or black marks appear on the face, you can choose the appropriate treatment. For red marks, you can choose to use compound heparin sodium cream, and for black marks, you can choose vitamin E cream or azelaic acid cream, which can get rid of the pigmentation marks and avoid leaving visible marks on the face. If there is obvious redness, swelling and pain on the face during the healing process, consider the possibility of bacterial infection, and you need to choose oral amoxicillin or cephalosporins.