It is best to go to school to study textual research for zero foundation, and the courses range from 1 to 3 months. There is a fitness training school authorized by the State Sports General Administration-Shanghai Fitness and Bodybuilding College, where you can study and research.

The latest conditions for applying for a national post certificate

1. Primary fitness instructor (one of the following conditions)

(1) has reached the required standard hours of formal primary training in this occupation, and has obtained the certificate of completion.

(2) College degree or above in physical education in colleges and universities.

2. Intermediate fitness instructor (meeting one of the following conditions)

(1) After obtaining the primary vocational qualification certificate of this occupation, he has been engaged in this occupation for more than 2 years continuously, and has reached the required standard hours after the formal training of this occupation intermediate, and obtained the certificate of completion.

(2) Those who have obtained a bachelor's degree or above in physical education in colleges and universities and have one year's practical work experience as a fitness coach.

(3) Obtain the grade certificate of athletes above the first level (inclusive), reach the standard hours of formal training at the intermediate level of this occupation, and obtain the certificate of completion.

3. Senior fitness instructor (meet one of the following conditions)

(1) After obtaining the intermediate vocational qualification certificate of this occupation, he has been engaged in this occupation for more than 3 years continuously, and has reached the required standard hours after the advanced formal training of this occupation, and has obtained the certificate of completion.

(two) after obtaining the intermediate vocational qualification certificate, he has been engaged in this occupation for more than 5 years.