The four seasons in the change of four seasons refer to

The changes and cycles of spring, autumn, winter and summer, like a circle and a wheel, constitute the beauty of the four seasons in China.

Spring, summer, autumn and winter, also known as the four seasons, are the result of the earth orbiting the sun. Among the 24 solar terms, spring begins in the beginning of spring and summer begins in the long summer. Autumn begins in beginning of autumn; Winter begins in early winter. It is the most accurate in the Yellow River Basin. The basic law summarized by the working people is to hide in spring, summer, autumn and winter.