(1)3 to 7 years old, children in this age group belong to preschool period. They mainly cultivate their sports ability in all aspects through the way and process of playing tennis and enjoy the fun that tennis brings them.

(2)8 to 10 years old, this age can be used as a watershed, because at this stage children can learn tennis for the purpose of learning tennis.

(3) 10 years old, children can already take tennis as a study subject and strive for the continuous improvement of tennis skills by practicing tennis.

Tennis is an open sport. Compared with swimming, running and other sports, players have to face more variables on the court, such as the speed, rotation and landing point of the ball, as well as peers, opponents and different court conditions. These different variables can give children more stimulation, thus promoting the positive development of children's nervous and motor systems, among which it is very important to promote children's various motor abilities, such as eye-hand coordination and dynamic balance.