Baby lips dry, may be due to environmental factors, bad habits, disease factors and so on. 1. Environmental factors: If the baby is in a dry environment for a long time, it is easy to make the baby’s lips dry due to dehydration, and persistent dryness will also lead to cracks on the baby’s lips. 2. Bad habits: for example, some babies do not like to drink water, it will cause the body to lack of water, and dry lips. Some babies have the bad habit of licking lips, although licking lips can make the lips temporarily moist, but with the evaporation of water from the lips can take away more water, resulting in more dry lips. 3. Disease factors (1) If the child suffers from anemia, in addition to causing the baby to appear pale, palpitations and other manifestations of anemia, there will be stomatitis, dry lips, chapped corners of the mouth and other symptoms. (2) If the baby has diabetes, so that the blood sugar increases, it can lead to polyuria through osmotic diuresis, and then always produce the performance of thirst, due to the lack of water in the oral cavity, is also very easy to lead to the phenomenon of dry lips. If the baby dry lips are caused by pathological factors, it is recommended to consult a doctor in a timely manner, clear diagnosis, symptomatic treatment.