Lips always dry and cracked peeling first may be dry air, drinking too little water and other physiological factors, generally no need for treatment. Secondly, it may also be caused by photochemical lipitis, chronic lipitis, etc., which requires medication and physical therapy. 1. Physiological factors: if long time in a dry and high temperature environment, or long-term insufficient drinking water will lead to the patient’s lips dry and cracked, peeling performance. These are normal physiological phenomena, do not need treatment, generally in the drinking water and in the humidity of the environment will improve the symptoms of dry lips. 2. Photochemical labiitis: photochemical labiitis patients will appear chapped lips and flaking performance, patients can follow the doctor’s instructions with 5% fluorouracil, imiquimod and other immunosuppressants, as well as 3% chloroquine ointment, 5% titanium dioxide ointment and other sunscreen agents. Some patients can also take liquid nitrogen cryotherapy, carbon dioxide laser irradiation and other physical methods of treatment. 3. Chronic lipitis: for chronic lipitis caused by dry, flaky and cracked lips, you can follow the doctor’s instructions to use 0.1% ethacridine solution, 3% boric acid solution and other disinfectant and anti-inflammatory solution wet compresses. In addition, patients should also follow the doctor’s instructions to use gentamycin ointment, erythromycin ointment and other antibiotic ointment, as well as tretinoin cream, dexamethasone ointment and other glucocorticoid ointment coated in the affected area. The patient’s lips are always dry and cracked and peeling may also be due to micronutrient deficiencies, dry syndrome, dehydration and other factors, the patient needs to consult a doctor for examination in a timely manner. After clarifying the cause of the disease, under the guidance of the doctor to choose the appropriate measures for treatment.