Depending on the cause of the baby lying on his back and lifting his head to one side, you can take methods such as raising the mattress, going to the hospital for treatment, etc. The first reason may be that the baby’s sense of balance is poor. For the baby lying on his back and lifting his head always tilted to one side, the first reason may be that the baby’s sense of balance is relatively poor, which is a normal phenomenon. Parents can be in the baby’s head is more biased side, padded mattress of a certain height, so that the baby’s head can not be arbitrarily biased to this side, in addition to parents can also be in the baby’s head biased to the other side of the more talk, so that the baby more head to play a corrective effect. The second reason is that the baby may have congenital cervical inclination, when the baby after a period of correction, the situation has not been improved, you need to go to the hospital for the appropriate examination, if it is congenital cervical inclination, under the guidance of the doctor to take appropriate treatment in a timely manner. There are many possible causes for such symptoms in babies, and it is recommended to consult a doctor as soon as possible for a clear diagnosis and targeted treatment.