The concept of health refers to

Health means that a person is in a good physical, mental and social state. The traditional concept of health is "disease-free health", while the modern concept of health is overall health. The World Health Organization puts forward that "health is not only the absence of physical diseases, but also mental health, good social adaptation and morality". Therefore, the health of modern people includes: physical health, mental health, mental health, social health, intellectual health, moral health, environmental health and so on. Health is the basic right of human beings and one of the most precious wealth in life. Health is the basis of quality of life; Health is an important aspect of human self-awakening; Health is the best state of life, with rich and profound connotations.

The official definition of health by the World Health Organization (WHO):

Energetic, able to cope with daily life and work calmly;

Optimistic, positive attitude, willing to undertake tasks, not picky;

Be good at rest and sleep well;

Strong adaptability, able to adapt to various environmental changes;

Have certain resistance to common cold and infectious diseases;

Proper weight, uniform posture, and coordinated proportions of all parts of the body;

Bright eyes, sharp reaction, no inflammation of eyelids;

White teeth, no defect, no pain, normal gums, no tooth decay;

Hair is smooth and dandruff-free;

The skin is shiny, elastic, easy to walk and energetic.

Health means not only the absence of disease or pain, but also the complete physical, mental and social well-being. In other words, a healthy person should have a strong physique and an optimistic mental state, and be able to maintain a harmonious relationship with the social and natural environment in which he lives.