The price of learning a fitness instructor is about 8000-20000 yuan. You can go to a professional fitness instructor training institution for training. Generally, it is necessary to go to the national vocational certificate examination and training institution for private education authorized by the State Sports General Administration for training and study. Most institutions have a national vocational certificate examination once a month. To be a fitness instructor, you need to master professional fitness theory and skills. Theory needs to be mastered: sports biomechanics, human anatomy, physiology, psychology, nutrition and other professional knowledge.