2. Cold dew is the seventeenth solar term among the twenty-four solar terms and belongs to the fifth solar term in autumn. Finger e; Longitude of solar arrival195; Gregorian calendar1October 7 -9 10 every year. Cold dew is a solar term that reflects the characteristics of climate change and is a transition from cool to cold. Judging from the climatic characteristics, Nanling and the vast areas in northern China have entered late autumn in the cold and dew season, and the northeast and northwest regions have entered or are about to enter winter.
3. During the cold dew season, the temperature in most parts of South China continues to drop. The average daily temperature in South China is less than 20℃. Even in the areas along the Yangtze River, it is difficult for the temperature to rise above 30℃, while the minimum temperature can drop below 10℃. Except for a few valley lowlands, the five-day average temperature in the northwest plateau is generally lower than 10℃. According to the standard of dividing the four seasons by climatology, it is already winter, and first frost is thousands of miles away, which is quite different from the autumn colors in the south.
4. The health soup of this solar term should be based on moistening lung, promoting fluid production, invigorating spleen and benefiting stomach, such as stewed pig with palm melon (month+exhibition), stewed raw fish with carrot and fig, stewed pig with radix Pseudostellariae and lean meat, stewed pig with Chinese cabbage and jujube, stewed pig with glutinous rice, stewed cow with millet (month+exhibition) and stewed chicken and abalone soup with coconut.