The first thing you need to do is to use the following medications: 1) Glycerin, antibiotic ointment, 0.1% Esaacridine solution, tretinoin solution, vitamin A, etc.: 1) Glycerin: you can apply glycerin to keep the mucous membrane moist and prevent cracking. 2) Antibiotic ointment: when the symptoms of chapped lips are more serious, you can apply antibiotic or hormonal ointment, such as erythromycin ointment and fluoxin ointment. 5, vitamin A: You can also take vitamin A orally, etc., to improve epithelial metabolism and accelerate the healing of the lips.