Children are in a stage of weak self-protection ability, even though they have self-protection consciousness, but in the event of an accident, the upper limb strength is not strong enough to protect the head. and other important parts. For example, if arm strength is not sufficient to support forward walking, the injury will be severe. Through reasonable exercise of upper limb strength, the child's self-protection ability can be improved, movement can be encouraged to develop flexibly and coordinatedly, and the strength and toughness of the child can also be cultivated, the quality of will used to overcome difficulties, develop body quality and improve basic motor ability. At last,