1: required certificates: national fitness instructor certificate (basic), advanced personal trainer certificate issued by IFBB, etc. What you need to do is personal training in fitness. It is best to get a nutritionist certificate, because fitness and diet are matched, so you will be more competitive. It is difficult to answer this question about the diploma you mentioned. The academic requirements for taking these certificates are: high school or above or technical secondary school education. Not to mention the academic requirements for real job hunting. The requirements of general fitness clubs are: technical secondary school or college education; The requirement of senior private clubs may be: college degree or above, because college students are too common now.