It usually takes about 2-3 months to get the certificate. The national fitness instructor qualification certificate is divided into four grades: primary, intermediate, advanced and coach. Therefore, the national first-class fitness instructor is a higher-level and more professional certificate in the fitness instructor certificate. Our school is a training institution authorized by the State Sports General Administration to take the national vocational certificate examination for private education, and the national vocational certificate will be tested every month. To be a fitness instructor, you need to master professional fitness theory and skills. Theories to be mastered: sports biomechanics, human anatomy, physiology, psychology, nutrition, etc. Skills to master: resistance training, aerobic exercise and equipment use, stretching exercise, physical training. At present, gyms are all certified.