You can read books on anatomy, physiology and other professional knowledge. Generally, a reliable fitness instructor training institution can be selected according to the teaching mode, teaching staff, teaching environment, curriculum and employment. Can master the professional knowledge and skills of fitness, and can pass the basic exam. I mainly want to learn the professional knowledge of fitness. We provide training courses for national fitness instructors. At present, the national certificate is a certificate with high recognition in the gym and high gold content.