In Huangdi Neijing, it also refers to the way of keeping in good health, so-called "spring in summer, long harvest in autumn, hiding in winter".
The original text is relatively long, and the following is an excerpt:
"Spring in March, this is called hair Chen (1). ..... the way of keeping in good health;
Xia San month, this is called Xiangxiu (2). ..... the way to raise a long; Autumn and March, this is called tolerance. ..... ways to increase income; In winter and March, this is called closing Tibet. ..... The way to raise Tibet is also;