The term "storing spring hair in winter" refers to the process of spring germination, summer growth, autumn harvest and winter storage. This law first came from the preface to Historical Records, which describes the periodic changes of agricultural production and is also used as a metaphor for the occurrence and development of things. From the perspective of health care, adjusting life according to the changes of the four seasons, nourishing yang in spring and summer, nourishing yin in autumn and winter, treating winter diseases in summer and treating winter diseases in summer can achieve twice the result with half the effort.