What is the purpose of little red book private education?

Xiaohongshu's personal education is that fitness instructors go to places designated by customers for teaching services. There are two main types of family-based personal education. One is the coach who has served in the gym for a long time, and will provide on-site service for some customers when the gym allows. There is also a freelance coach, usually some senior coaches, who has accumulated a certain customer base and specializes in door-to-door service.