What season is the cold dew and what does the solar term mean?

Cold dew is one of the twenty-four solar terms, and it is the solar term after the autumnal equinox. So what season is the cold dew? What does cold dew mean? What does cold dew mean? Next, let's take a look at this issue of the old almanac!

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What season is cold dew? Autumn cold dew is the seventeenth solar term among the twenty-four solar terms, and the annual1October 8th or 9th belongs to autumn, 10. Cold dew indicates the official start of autumn season; The time is1October 7-9, 10. When the apparent sun reaches longitude 195. "Twenty-four solar terms" said: "In September, the dew is cold and will condense." Cold dew means that the temperature is lower than that of the white dew, and the dew on the ground is colder and will soon condense into frost. In the cold dew season, Nanling and the vast area to the north have entered autumn, the northeast has entered late autumn, and the northwest has entered winter or is about to enter winter.

At this time, the temperature in most parts of South China continued 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 mercury column to rise above 30℃, while the minimum temperature can be reduced to below 10℃. Except for a few valley lowlands, the five-day average temperature in the northwest plateau is generally lower than 10℃, which is already winter according to the standard of four seasons climate division. First frost store, a thousand miles away, is quite different from the autumn scenery in South China.

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What does cold dew mean? It is recorded in the history books: "Dou said that cold armor is cold dew, which will condense when it is cold, so it is named cold dew." And "dew is cold, it will condense", that is, due to the arrival of cold dew, the climate changes from hot to cold, and everything is born with cold, and gradually declines. This is the season of alternating hot and cold. In nature, the qi of yin and yang begins to change, the yang is gradually declining, and the yin is gradually born. Our physiological activities should also adapt to the changes in nature to ensure the physiological (yin and yang) balance in the body.

Traditional Chinese medicine emphasizes "nourishing yang in spring and summer, nourishing yin in autumn and winter" in the four seasons health preservation. Therefore, we must pay attention to maintaining the yang in the body in autumn. When the climate turns cold, it is the time when the human body's yang is gathering and the yin essence is hidden inside, so the maintenance of the yin essence should be given priority to, that is to say, the autumn health preservation cannot be separated from the principle of "nourishing and harvesting"

Autumn has been a golden autumn since ancient times, and the lung belongs to gold in the five elements, so lung qi corresponds to golden autumn qi. "In the golden autumn season, it is dry." At this time, the dryness of pathogenic factors will easily invade the human body and consume the yin essence of the lungs. If nursed back to health improperly, the human body will have a series of autumn dryness symptoms such as dry throat, dry nose and dry skin.

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Therefore, the diet in late autumn should nourish yin and moisten dryness (lung). The ancients said, "In autumn, you should eat hemp to moisten it." At this time, we should eat more soft foods such as sesame, glutinous rice, japonica rice, honey and dairy products, and at the same time increase chicken, duck, beef, pork liver, fish, shrimp, jujube and yam to increase our physical fitness; Eat less spicy products, such as pepper, ginger, onion, garlic, because overeating spicy, it is easy to hurt the human yin essence.

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