Dry lips are not related to vitamin deficiencies. Specific relationships include body dehydration, chronic lipitis, sun exposure. Dry lips and vitamin deficiency has nothing to do with dry lips, there are three main reasons for dry lips, one is the body lack of water, will lead to the skin lips and other parts of the dry cracked. The second is chronic lipitis, which can lead to dry lips, peeling, cracking and so on. Thirdly, there is a certain relationship with the sun, overexposure to the sun will lead to dry lips. Dry lips are usually suffering from chronic lipitis, and vitamin deficiency is not very close. The influence of the environment is also very important, such as the environment is dry, lips will have a dry feeling, not necessarily vitamin deficiency caused by dry lips. Lip licking habit, lick the lips after saliva protein will be deposited on the surface of the lips, lips dry feeling will be more obvious, sometimes even skin, can be coated with lip balm to relieve. It is recommended to drink more water in daily life, eat more fresh vegetables and fruits, and avoid prolonged exposure to the sun.