There are many reasons for dry lips, and the common ones are as follows: 1, dry weather in autumn and winter, drink less water, lips lack of moisture and dry peeling symptoms. Eat more vegetables, fruits, drink more water, rub lip balm can make the symptoms better. 2, high fever patients because of the evaporation of water in the body and dry lips symptoms, oral antipyretic drugs such as ibuprofen, Anacin, etc., and other body temperature back to normal, dry lips symptoms can disappear. 3, people who often lick their lips will also have dry lips symptoms, this is because saliva contains inorganic salts, inorganic salts that remain after licking the lips with the tongue, will 4.Patients with cold or rhinitis will breathe with their mouths because their noses are not breathable, so that the moisture in the mouth is lost, and the symptoms of dry lips appear.