Newborns sleep flat on the ground is good, newborns sleep generally lie flat sleeping position is better, conducive to the growth and development of newborns. The benefits of lying flat are mainly the following two points. 1. Lying flat is in line with its physiological characteristics: after the birth of the newborn, the physiological curvature of the cervical vertebrae has not yet been formed, the back of the head of the newborn and its shoulders in a horizontal line. Newborns’ neck and shoulder muscles are not exercised and cannot effectively support the head. 2. Reduce the risk: Newborns lying flat can effectively avoid the occurrence of their bedclothes covering the mouth suffocation. Newborns occasionally vomit and ripple milk situation occurs, lying flat side sleep, can reduce the chance of vomit accidental inhalation, and effectively avoid the occurrence of neonatal aspiration pneumonia. Neonatal period is a special time, parents encountered problems in raising babies, should go to the neonatal clinic to consult the doctor, the doctor to give reasonable advice.