Scars on the lips can be treated with medication, laser therapy, cryotherapy, etc. to improve the appearance of the scar. 1. Drug therapy: early scar formation can be used to inhibit scar proliferation drugs, such as silicone gel, compound heparin sodium allantoin gel, etc.; for the proliferation of obvious scarring can also be injected with fluorouracil, trimethoprim and other injections. 2. Laser therapy: the common methods are pulsed dye laser and fractional laser, which can improve the appearance of keloid scar by occluding local small blood vessels or stimulating collagen regeneration. 3. Cryotherapy: Liquid nitrogen freezing is used to cause necrosis of the diseased tissue through low temperature, which is suitable for smaller scars. Lips have scars with treatment will patients are recommended to regular hospitals, under the guidance of specialists to choose the appropriate treatment, the above drugs should be used in accordance with the doctor’s instructions, can not be used blindly.