More than two months baby neck twisting around lying on the head and favoring one side, may be a normal physiological phenomenon, generally do not need to worry too much, may also be caused by congenital cervical inclination. 1. physiological phenomenon: two months of the baby’s neck curve has not yet matured, the neck twisted to lie down and head to one side of the situation, is a normal physiological phenomenon, no need to deal with, 3 months of age will be in a symmetrical state, parents can consciously let the baby in the breastfeeding, sleep, embrace the baby’s head turned to the other side. 2. congenital cervix: congenital cervix is a kind of head tilt, rotating congenital deformity, more than two months the baby’s neck twisting around lying on the side of the head and to the side, may be caused by the cervix, and in the front of the neck can be touched on the side of the olive-sized hard knots, no pressure pain, the head biased to the side of the hard knots, and so on. More than two months the baby’s neck twisted to lie down and head to one side, there may also be other reasons, 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.