Lips may scar, and in the case of a dry or inflamed lip, they usually do not. If it is a bite or knock, localized in the case of very deep cracks, it will leave a scar. Dry cracked lips or inflammation is the body lack of moisture or lip irritation caused by inflammation, you can apply lip balm to improve the dry symptoms, topical hormone ointment can alleviate the inflammatory reaction, pay attention not to lick the lips with the tongue, to avoid the violence of tearing the skin flakes, will heal quickly, generally will not leave a scar. If the lips bite or knock, the wound is not big, usually about six months to a year, the scar can slowly disappear. However, if there is a very deep laceration and the person is a keloid, the scar will be easily left behind. When the lips are injured, you should go to the hospital in time, disinfection, suture treatment, after the suture should also be well cared for, to avoid leaving scars, affecting the patient’s facial aesthetics. Medications need to be used as prescribed by the doctor.