If you want to avoid scarring after scratching your face, you should first clean and disinfect the wound, then use scar removal ointment to apply to the affected area, or use laser to remove the scar if it has been formed for a long time. Patients can first use alcohol, complex iodine, etc. to disinfect the face after being scratched, keep the skin around the wound clean and dry, and then apply antibiotic ointment such as mupirocin ointment to the wound to fight infection, and use silicone gel and other scar removing ointment to apply in the early stage of wound recovery. If the patient’s scars have been formed for a long time, the effect of using topical medication is not very obvious, you need to use a laser to remove scars, commonly used lasers such as fractional lasers, which require multiple treatments. Scar formation is related to a variety of reasons, there is no absolute prevention and treatment measures, it is recommended that after scratching the timely consultation, under the guidance of the doctor to choose the appropriate drug treatment.