According to the number of students. Lecco Coach is a fitness instructor's ordering software. After successful registration, it is the lowest one-star coach. When the number of students reaches ten, they can be upgraded to two stars, and one star can be added for every ten colleges. So it is evaluated according to the number of students. Coaching is a kind of management technology, which can improve the mental model of the coached person, so as to exert its potential and improve efficiency.