The development of infant’s motor ability has certain rules, and turning over is the first big movement after birth. Most infants begin to practice rolling over at 3-4 months of age, and the rapid development of rolling over at 5-6 months of age, which is usually perfected at about 5 months of age, and can roll over freely at about 6 months of age. In addition, 6-month-old babies usually sit up, roll on their own at 7 months, crawl independently at 8 months, and gradually walk upright at about 12 months. I, baby wants to turn over the signal performance In general, the baby will learn to turn over before the relevant performance, parents should pay close attention to the baby’s response, and according to its physical development to determine the baby’s growth progress. The signal performance before the baby turns over is as follows: 1, the legs can be lifted freely when lying on their backs, or always shake their feet; 2, often lie on their sides in the direction they are interested in; 3, the head can be easily tilted up. Once the baby appears the above performance, it suggests that it wants to turn over, parents should give timely help. Second, the method of training babies to turn over Most babies are in 3-6 months to learn to turn over, for turning over late baby, parents can train their ability to turn over through the following methods: 1, practice side lying: repeatedly left and right alternate training several times, the baby can smoothly from lying on his back to side; 2, lure turn over: parents can lure the baby with toys, bottles, etc.; 3, quilt turn over: put the baby on his back or prone on On the bed sheet, pull the side of the quilt and gently lift it until the baby turns over; 4, parent-child turn over: let the baby lie on his back or prone on the mother, and then the mother’s turn over drives the baby’s turn over. Third, training baby roll over precautions to avoid bringing injury to the baby, parents should pay attention to the following aspects: 1, training to avoid strong action; 2, training bedding, sheets must be flat; 3, do not put hard objects and small objects in the crib; 4, avoid training when the baby is in a bad mood or just after eating milk.