Health care: There are many ways to improve the quality of life and prolong life. You can use diet therapy to keep healthy through seasonal vegetables and fruits. Specifically, spring can nourish liver, summer can nourish heart, long summer can nourish spleen, autumn can nourish lung and winter can nourish kidney.

The significance of health preservation lies in strengthening one's physique and healthy qi through various maintenance, thus enhancing the adaptability and disease resistance to the external environment and reducing or avoiding the occurrence of diseases; Or through adjustment and maintenance, so that their internal balance of Yin and Yang, body and mind in the best state, thus delaying the aging process.