The fundamental principle of the four seasons of health care is to nourish Yang in spring and summer and Yin in autumn and winter. In the theory of Chinese medicine, human health should follow the changes of the four seasons, that is, people and the four seasons are an organic whole, and only by following the laws of nature can we get health. Generally, spring is more suitable for exercise and is the season of growth and development. Summer to avoid the heat, do not make their own Yin fluid loss too much; autumn must pay attention to the prevention of colds, increase and reduce clothing, autumn is more testing for the lungs, and some cardiovascular disease, should pay attention to; winter is suitable for refrigeration, is to eat well, but not more, to adhere to the exercise, to prevent overweight, winter is a good season for kidney.