Often parents for children love to sleep on their stomachs and distressed, some children are kneeling on their stomachs, buttocks also prostrated high, to his correction will soon turn over and sleep on their stomachs, most of the night is sleeping on their stomachs. So the child sleeps on his back in the end there is no harm? In fact, the child sleeps on his back has its advantages: 1, the baby has a sense of security, the fetus in the mother’s womb is the ventral part of the face inward, the back outward curled posture, because the ventral part of the human body relative to the back, the lack of bone protection, vulnerable to external injuries, and more sensitive. This posture is the most natural self-protection posture, so babies love to sleep on their backs, is also based on the above principle, the most vulnerable part of the body to protect, sleep more secure, easy to sleep well, thus reducing crying, conducive to the development of the nervous system. 2, beneficial to stomach peristalsis and digestion, sleep on your stomach, stomach contents are not easy to flow to the esophagus and mouth cause vomiting, but easy to peristalsis to the small intestine, conducive to digestion and absorption. 3, prone to facilitate the baby to lift the head and chest, thus exercising the neck, chest, back and limbs and other large muscle groups, is conducive to roll over and crawl training. 4, some children sleep on their backs is due to nasal disease, because the increase in nasal inflammation caused by secretions easily in the supine position when the drops of the oropharynx cause discomfort, while the prone position is conducive to secretions outward discharge. Of course, sleeping on your back also has its drawbacks: 1, easy to cause suffocation, because the baby’s head is heavy, and the neck strength is not enough, in will not be comfortable to turn the head or turn over, the mouth and nose easily blocked by pillows, towels, etc., will cause asphyxiation, and even life-threatening. 2, chest and abdomen close to the bed, it is not easy to dissipate heat, which can easily cause an increase in body temperature, or eczema due to sweat accumulation in the chest and abdomen. 3, the limbs and hands and feet are not easy to move. Baby sleeping on his back, there are advantages and disadvantages, if the baby must sleep on his back, and correct the sleeping posture is very difficult, parents in the premise of ensuring the safety of the baby, temporarily let the baby sleep on his back. If the frequent correction of baby sleeping position, will make the baby sleep poorly, affecting the baby’s growth and development. If it is due to disease, it is recommended to find a specialist consultation and treatment.