Mouth dry cracked skin can drink more water, improve air humidity, lips local wet compresses, moisturizing and so on. 1. dry mouth cracked skin may be the whole body is in a state of dehydration, should be timely supplemental water. 2. mouth dry cracked skin if it is dry, air humidity caused by low, you can room to improve air humidity. 3. Lips can be localized wet compress, you can use thick cotton dipped in saline and other solutions wet compress lips. 4. Lipstick can be used to moisturize. At the same time to change bad habits, such as often licking lips, tearing skin. If the mouth is dry and cracked skin for a long time, it is recommended to go to the hospital in a timely manner, improve the examination to clarify the cause of the disease, under the guidance of the doctor to give targeted treatment or treatment.