What do you mean by red envelopes and black beans for heavy snow solar terms?

The solar terms in heavy snow are represented by red envelopes and black beans. Red is the auspicious color of China, the money in the red bag means prosperity and auspiciousness, and black beans are sweet and healthy. When these two things are combined, they have the meaning of goodness and goodness. Heavy snow refers to the solar term of heavy snow, which is the second solar term among the 24 solar terms in China and the third solar term in winter, marking the beginning of midwinter.