Fitness instructors are secondary sales, usually in the course of class, and you don't have to find customers yourself. If you want to learn a fitness instructor, you'd better go to a fitness school designated and recognized by the state. If it is a zero-based exam, it will take a while for the fitness instructor to learn from the basic fitness skills. Fitness customers know that spending money on you is worth it. According to your own foundation, you can learn comprehensive fitness skills by choosing professional and authoritative training institutions to study. No matter how long you study, learning professional fitness skills is the last word.