Physical activities for children outdoors can promote body metabolism, accelerate blood circulation, and deliver more nutrients to the epiphysis, so that the epiphysis grows vigorously, and children will naturally grow taller. For those who are a little lower in stature compared to their peers, they should choose sports that are conducive to height growth to promote the growth of the child’s height. The following sports are conducive to height growth: 1, bouncing sports, such as jumping rope, high jump, long jump, jogging, etc., is conducive to the growth of limbs. In these sports, and jumping rope sports can most promote the growth of children’s height. Jumping rope can make calf muscles become explosive, make thigh and hip muscle fibers stronger, can enhance the body’s muscle endurance. Jumping rope when the movement throughout the whole body, the physique is easier to develop evenly. Jumping rope can accelerate the body’s metabolism, enhance blood running, strengthen the heart, blood vessel function, help the physical and mental health. Jumping rope also has a wonderful promotion effect on the body’s sensitivity, body posture, balance, coordination and flexibility, etc. Jumping rope can make the body’s strength to develop, especially the lower limb strength. When jumping rope because of the upper body gravity pressure and the role of the earth’s gravity, etc., on the knee joint and lower limb long bone growth and development has obvious benefits, is conducive to the growth of children’s size. Children jump rope time to 20 ~ 40 minutes is appropriate. But children should pay attention to some problems when carrying out rope skipping sports, for example, warm up before skipping, master the correct jumping rope posture, after skipping rope must do some relief exercise to relax the body as much as possible. 2.Stretching exercise: such as practicing bar, sit-ups, bending back and forth, doing gymnastics and various hanging movements, etc., which can help stretch the spine and limb bones. 3, whole-body exercises: such as playing basketball, volleyball, badminton, playing soccer, shuttlecock and swimming, etc., which help stretch and lengthen the bones of the whole body. Sports not conducive to children’s height growth: When children play outdoor sports, parents should also pay attention to avoid doing those sports that are not conducive to children’s height growth. Long-term, excessive weight-bearing and physically demanding projects, such as weightlifting, dumbbell lifting, wrestling and long-distance running, may in turn affect the child’s height growth.