Health is not only the absence of disease or weakness, but also a perfect state of physical, psychological and social adaptation.
The meaning of health includes physical health, mental health and good social adaptability. Physical health means that the human body has a complete structure and a strong physique, and all tissues and organs function normally without discomfort. Mental health refers to normal intelligence, rich, substantial, harmonious, peaceful and emotionally stable inner world, being able to correctly evaluate oneself, having harmonious thoughts and behaviors, and having a full sense of security. Good social adaptation means being able to keep good contact with the natural environment and social environment, having good adaptability to the surrounding environment, and having certain interpersonal skills, being able to effectively cope with the pressure in daily life and work, and working, studying and living normally.