Modern people are in a very stressful environment with polluted environment, not fresh air, and their bodies are basically in a subhealthy state. So what is sub-health? The “intermediate state” between disease and health is called sub-health. So we need to take care of our health, health care can maintain your body in a more balanced state, can enhance our resistance, so that we are less sick, if the body is not good, but also to take good care of the body, your body because of your bad habits, it will be extremely loss, you take care of health, you can balance its damage, do not take care of health, you will lose, in the end you will regret not to take good care of their own The body, so physical health is very important, must pay attention to health. The characteristics of sub-health: 1, fatigue, or sleep disorders, or pain and other physical symptoms are mainly manifested; (fatigue, muscle and joint pain, dizziness and headache, palpitations and chest tightness, sleep disorders, loss of appetite, abdominal discomfort, loose constipation, sexual function, fear of cold and heat, easy to catch a cold, dry eyes) 2, depression, or restlessness, impatience, or fear and timidity, or short-term memory loss (depressed mood, restlessness, anxiety, impatience, fear and timidity, memory loss, inability to concentrate, lack of energy, slow reaction). 3. (unable to assume the corresponding social role better, difficulty in work and study, unable to deal with interpersonal and family relationships normally, difficulty in normal social interaction)