The difference between children's first-class aerobics and aerobics lies in the different movement difficulty and training intensity, and the different purposes and applicable groups.

1, the movement difficulty and training intensity are different: aerobics is more difficult, requiring more complicated movements such as jumping, stepping and turning, and the training intensity is higher, which requires higher endurance, coordination and flexibility of the body, while the movement difficulty of children's first-class aerobics is relatively low and simple, which is suitable for children's learning and practice, and the training intensity is relatively small.

2. The purpose is different from the applicable crowd: Step aerobics is a kind of fitness exercise, which aims to enhance the endurance, coordination and flexibility of the body, and is suitable for people of all ages, especially teenagers and adults, while children's first-class aerobics is a training method specially aimed at children, aiming at cultivating their physical quality, coordination and flexibility, and is suitable for children's study and practice.