Both the national sports body and the national postal service are managed and supervised by the State Sports General Administration, and are the authoritative fitness instructor certification institutions in China at present. The National Institute of Physical Education has launched a series of online certification courses, including junior, middle and advanced certification courses for fitness instructors, certification courses for children's fitness instructors and certification courses for teenagers. The course is not limited by geography and time, and can be studied repeatedly online, and the certification exam can be completed online. Don't go out, take the national sports coach certification online.