In a narrow sense, fitness (including bodybuilding) mainly refers to the purpose of bodybuilding and physical and mental pleasure through strength training, aerobic training and reasonable nutrition. Such people generally choose to go to health clubs when conditions permit. Generally speaking, fitness includes many ways, such as mountain climbing, running, swimming, strength training and so on. This kind of people generally hope to have stronger athletic ability and a more fit figure, and they are very concerned about their athletic quality and figure. Sports and fitness crowd is the core group when China Fitness Online was founded, and it is also the mainstream of China Fitness Online members.

2. People who lose weight and keep fit

There are a large number of overweight people in China. More and more people, especially women, are actively concerned about losing weight, and some extremely thin people need to gain weight. This kind of people mainly pursue the goal of physical beauty. They hope to make their body shape more standard through reasonable means, so as to enhance their self-confidence and physical fitness.

3. Sub-healthy people

Sub-health is a serious problem faced by white-collar office workers and civil servants, and it is also a major challenge faced by modern society. These people usually have the following symptoms: fatigue, insomnia, inattention, low immunity, depression, obesity, hypertension, hyperlipidemia, hyperglycemia, low back and leg pain, osteoporosis and so on. Their purpose is to reduce stress, regulate physical and mental emotions, make themselves energetic, young and energetic at work, and at the same time eliminate some chronic health hazards and delay the decline of physical function.

4. Teenagers whose physique needs to be improved

The deterioration of teenagers' physique has become a major problem in national politics, which has attracted great attention from the central government. The problems faced by teenagers are mainly obesity, the decline of various physical qualities, and the dysplasia of physical indicators, among which the most typical ones are "chubby" and "bean sprouts" and other stunted teenagers. Their parents and teachers are very concerned about their physical condition. They hope to improve their physical fitness mainly from the perspective of scientific training and reasonable nutrition. They also hope that they can successfully pass all kinds of sports tests organized by the education department, or get good results in the youth sports meeting.