If the baby’s face on one side of the face small first to clarify the cause, if it is congenital cervical inclination caused by the need to seek medical treatment as soon as possible to give symptomatic treatment; if it is caused by poor sleeping habits, parents need to give timely adjustment, to take the face of the side of the pressure of the main passive sleep position to ease. 1. congenital cervix: congenital cervix will lead to one side of the face is big and one side of the face is small, if the baby’s neck can be touched lumps, it is recommended to consult a doctor in a timely manner, according to the age and size of the doctor’s orders to be manipulation massage or surgical treatment, to help babies recover. 2. Bad sleeping habits: Parents are advised to sleep with the baby in the side-lying position, with the big side of the face facing down, and use a soft towel to cushion the small side of the face in the supine position; breastfeeding can be the big side of the baby’s face to the mother’s body; usually play with the baby, try to stand on the big side of the baby’s face, which can help to improve the symptom. Enhance the daily sleep care of infants by adopting the sleeping position of alternating left and right. Once it is found that the face is not the same size, it is necessary to consult a doctor in time, complete the ultrasound and other related examinations, and follow the doctor’s instructions to intervene.