Infants can sleep on their stomachs, appropriate sleep on their stomachs to increase the baby’s sense of security, improve the quality of sleep, exercise the limbs muscle groups. However, it should be noted that when sleeping on the stomach need to have parental supervision, and it is not recommended that infants sleep on their stomachs for a long time. Infants are born in the mother’s womb because of the position of the relationship, after birth, still like to curl up position lying on their backs to sleep, can give the child a sense of security to bring more, to be able to fall asleep as soon as possible. Sleeping on the ground to receive light, sound stimulation has been reduced, will improve the quality of sleep. And sleep on the stomach can exercise the neck, chest, back, limbs muscle groups, is conducive to turn over and crawl training. So infants can sleep on their stomachs, but it should be noted that infants should sleep on their stomachs under the supervision of parents, so as not to cause the risk of accidental inhalation or suffocation, and it is not recommended that infants sleep on their stomachs for a long time. In general, it is recommended that infants sleep flat on their backs. Infants sleeping on their stomachs, if there is any abnormality, it is recommended to consult a doctor promptly.