For those who really like it and can stick to it, it is not difficult. The key to learning fitness coach is whether you are attentive or not. Fitness is a skilled profession, so the theoretical knowledge is not too profound, just some simple knowledge, such as sports biomechanics, sports psychology, sports physiology, sports anatomy and sports nutrition. Relevant practical skills need to be practiced as much as possible, and mastering them skillfully is not a problem.