Leg-lifting and head-lifting exercise: the baby is prone and elbows support the body. His parents held his two calves with their hands behind his back and raised his legs by about 30 degrees. At this point, the child should support his hands and look up. Can exercise arm strength and neck muscles.

Leg exercise: put the baby in prone position, with parents behind the child, hold his wrist with both hands, help the baby kneel down, and then help him stand up straight. Repeat it twice. It should be noted that when the baby kneels straight, he should try to stand up by himself.