Children with scars on the face, generally due to trauma, poor healing after surgery, can be treated with topical creams including onion extract preparations, silicone preparations. 1. Containing onion extract preparations: such as compound heparin sodium allantoin gel, onion extract can inhibit keloid proliferation, generally need to be used in the early effect is better, applicable to keloid proliferation, for old scars, keloid, etc. the effect is worse. 2. Silicone-containing preparations: silicone stickers, humanoid collagen scar repair silicone gel, silicone can inhibit scar proliferation, at the same time, its pressure can also inhibit overgrowth of scar tissue, for the early keloid scar effect is better. The above drugs need to be used under the guidance of specialists, such as patients with facial scars, it is recommended that the regular hospital consultation, avoid self-medication.