The generally recommended sleeping position for newborns is on their backs or sides. If the child often spit up or have nasal congestion, you can occasionally sleep on your back, but it is not recommended to sleep on your back for too long, and you need to pay attention to the safety of sleeping on your back. Newborns sleeping on their stomachs can exercise cardiopulmonary function, especially for small for gestational age of premature babies, immature respiratory development, when there is respiratory disease, prone position is more helpful to the baby’s respiratory disease recovery. Secondly, the newborn in the womb before birth most of the time is lying down to sleep, so lying down to sleep can give the newborn a sense of security, so that the newborn is not easy to be frightened, at the same time can exercise the newborn’s neck and waist and abdominal muscles, but also to help the intellectual development. However, sleeping on their backs is also prone to asphyxiation, so sleeping on their backs should not be too long, and the need for someone around to watch, and more observation of the breathing situation to avoid danger. In short, regularly change the position of the newborn is more conducive to its development, it is not recommended to long-term use of a sleeping position. If parents let their babies sleep on their stomachs, remember to avoid the use of soft beds, and do not use the center of the pillow with a depression, and should prevent something to cover the child’s face, mouth and nose.