Winter snow and winter refer to the four solar terms.

Winter Snow Winter Snow refers to the four solar terms of beginning of winter, light snow, heavy snow and winter solstice.

The phrase "there is snow in winter and slight cold in winter" is a description of the winter solar terms in the Song Dynasty. The six solar terms in winter are: beginning of winter, light snow, heavy snow, winter solstice, slight cold and severe cold.

The significance of the twenty-four solar terms is to express the natural rhythm changes in the calendar and establish a special festival of "December construction". There are two solar terms every month, and each solar term has its own unique significance.

Solar terms accurately reflect the change of natural rhythm and play an extremely important role in people's daily life. It is not only a seasonal system that guides agricultural production, but also a folk system that contains rich folk customs. The twenty-four solar terms contain a long cultural connotation and historical accumulation, and are an important part of the long history and culture of the Chinese nation.