Infant cracked lips may be caused by dry climate, lack of nutrients, bad habits and other reasons. 1. Dry climate: baby lips may be dry weather in the fall and winter seasons, high ambient temperatures or excessive warmth caused by the baby’s lack of moisture, dry lips or even cracked phenomenon. 2. Nutritional element deficiency: baby lips may be breastfeeding mothers picky eaters, partiality, if vegetables, fruits are eaten especially little, will cause breastfeeding mothers vitamin supplementation is insufficient, breastfeeding, the emergence of baby lips dry and cracked. Or add complementary foods after the baby picky eaters, not a full complement of nutrients, can lead to the baby’s lips dry cracked. 3. Bad habits: babies with chapped lips may also be the development of certain bad habits, such as frequent lip licking, lip biting may cause chapped lips, bad habits to change after the symptoms will be alleviated. If an infant has dry and cracked lips, it is recommended to consult a doctor in a timely manner, under the guidance of the doctor, to take the appropriate treatment program.