Broken lips may be due to trauma, mouth ulcers and other causes, how to recover fast can be based on the different causes of lip rupture, the use of different drugs to treat. 1. trauma: when the wound is shallow, you can use iodine to disinfect it, or apply erythromycin ointment and other anti-swelling, anti-inflammatory drugs. If the wound is deeper and longer, then go to the hospital in time to carefully clean up the wound and suture it if necessary. 2. Mouth ulcers: such as fire, spicy food stimulation caused by oral ox-huang detoxification pills and other heat detoxification (clear the body of heat and toxins) of the drug, or oral vitamin C, etc., to relieve the symptoms of mouth ulcers. Usually should eat more fresh fruits and vegetables, supplement the body’s vitamin needs. 3. Other reasons: such as dry weather, low water intake, etc., you can use petroleum jelly and so on to make the lips moist and promote rapid wound healing. It is recommended to use medication under the guidance of a doctor, and keep a light diet to promote the rapid recovery of the wound. Keep the wound clean and hygienic to avoid infection.