Scars after neck surgery can be eliminated, usually through medication, surgery, physical therapy and so on. Specific treatment methods need to be selected under the guidance of the doctor. 1. Medication: generally you can choose silicone gel preparation for external use, which can inhibit the formation of scars. Glucocorticoid drugs can also be injected locally, which can inhibit the local excess collagen fibers, such as hydrocortisone injection, methylprednisolone injection and so on. You can also apply imiquimod cream and so on for treatment. 2. Surgery: Surgical scars can be removed through surgery, such as scar excision, after surgery, attention should be paid to wound healing, to avoid reoccurrence of scars. 3. Physical therapy: At present, the common way to eliminate scars is laser therapy, such as fractional laser, dye laser, etc., which can repair the damaged cells at the bottom layer and soften the scars, so as to achieve the purpose of elimination. The above medications should be used under the guidance of a doctor to avoid self-medication. Patients are advised to seek medical treatment in time and confirm the elimination method under the guidance of doctors.