AASFP, AFAA, IFBB, BTFP, the professional qualification certificate of fitness coach of the State Sports General Administration and the certificate of Beijing Bodybuilding Association, which is the most authoritative? At present, the national fitness professional qualification certificate is more authoritative. You can go to a fitness instructor institution for training, and then get a fitness instructor qualification certificate. The examination content of fitness instructor certificate includes the introduction of fitness instructor, basic knowledge of sports human science, basic knowledge of nutrition, basic knowledge of health and fitness, basic knowledge of sports technology, principle and formulation of exercise plan, sales and customer service. We are a fitness instructor training base authorized by the State Sports General Administration. Offering national fitness instructor training courses can help us learn professional fitness skills and theoretical knowledge.