Fitness: A sport, especially gymnastics with bare hands or equipment. Gymnastics can enhance the strength, flexibility, endurance, coordination and control of all parts of the body, thus making the body strong.

Bodybuilding: refers to the aesthetic attributes of a healthy and strong body. It is a comprehensive standard for people to pursue human beauty, that is, muscles, bones, blood and skin color are full of vitality, and their external morphology and internal structure are symmetrical, coordinated and full of vitality. Any movement can show that all parts of the body are coordinated, naturally stretched, full of vitality and energy.

Bodybuilding is closely related to people's physical beauty, and bodybuilding is the basis of physical beauty. Symmetrical shape, balanced proportion, smooth lines, strong bones, well-proportioned limbs, full figure, elastic muscles and healthy skin color are all indispensable conditions for physical beauty. Bodybuilding also needs abundant spirit, happy mood and youthful vitality.