Patients with lip infection can apply petroleum jelly, which has moisturizing and lubricating effects. Patients with lip infection who have dry and flaky lips locally can apply petroleum jelly to relieve the symptoms. For patients with lip infection, it is important to quit the bad habit of licking the lips, biting the lips or tearing the skin of the lips with your hands. In addition, avoid going to particularly strong ultraviolet rays, windy and dry environments, and try to wear a mask when you go out. For patients with labyrinthitis, to ensure a balanced nutritional balance in the body, especially the B vitamins must be supplemented, you can apply vitamin B2 ointment, vitamin B6 ointment, vitamin B12 ointment locally on the lips. In addition, if the lip infection local has appeared vesicles and redness, to promptly seek medical attention, you can use erythromycin ointment to prevent the local lip infection.