If necessary, you can take the professional qualification certificate of fitness instructor. Generally, you go to a private fitness instructor training college to study and get a certificate. If you want to be a fitness instructor, you need an industry-recognized certificate. It is generally necessary to master professional fitness knowledge and skills in the fitness college system. Offering fitness instructor training, eugenics training, Victoria's secret slimming training, children's physical fitness training, Pilates training and other courses.