What are the precautions for the origin of the Great Cold?

The Great Cold is one of the 24 solar terms, but we don't know much about it. Let's learn about it today! So what is the origin of the great cold? What are the precautions for severe cold? Next, let's take a look at this issue of the old yellow calendar!

You may be interested in: What are the three stages of the Great Cold?

The origin of the Great Cold is the last of the 24 solar terms, and it is called "Great Cold" when the sun reaches 3 degrees of the yellow meridian around January 2th every year. Great cold means extreme cold weather. "Give time and test the weather" quoted from "Three Rites and Righteousness": "Great cold is the middle one, and it is shaped by slight cold, so it is called great ... the extreme of cold, so it is called great cold." At this time, cold waves frequently go south, which is a cold period in most parts of China in a year. The wind is strong, the temperature is low, and the snow on the ground does not melt, showing a cold scene of ice and snow and freezing. In ancient China, the great cold was divided into three stages: "One stage was chicken milk; Second, the symptoms of bird disease; Three times, the water is strong. " That is to say, when it comes to the great cold solar terms, you can hatch chickens; The falcons, such as eagles, are in a state of strong predation ability, hovering around in the air looking for food to supplement the body's energy to resist the cold; In the last five days of the year, the ice in the water has been frozen to the center of the water, and it is the strongest and thickest. The circulation of the severe cold atmosphere is stable, and the circulation adjustment period is about 2 days. When this circulation is adjusted, there are often large-scale rain and snow weather and strong winds to cool down. When the west of 8 degrees east longitude is a long wave ridge and East Asia is a coastal trough, the continuous low temperature will occur in China under the influence of the northwest wind and the constantly supplemented cold air.

You may be interested in: What are the customs of welcoming the New Year in the ancient Great Cold?

The main items of the Great Cold are to go to bed early and get up late. "Great Cold" is the last solar term in winter. In daily life, we should still conform to the characteristics of winter closure, so that we can go to bed early and get up late, and go to bed early to nourish the yang of the human body and get up late to nourish the yin. On the other hand, there is an old saying that "it is very cold and cold, and it is windproof to keep out the cold". In the cold season, besides paying attention to the cold, it is also necessary to keep out the wind. Clothes should increase or decrease with the temperature change, and attention should be paid to keeping warm.

Avoid cold radiation. During the severe cold season, it is necessary to prevent cold radiation from harming the body. The specific measures are to stay away from the cold wall and other objects, and to stay away from the wall at least 5 cm when sleeping. If the temperature difference between the wall and the room is more than 5℃, the wall is often wet or even small water droplets are formed. At this time, wooden boards or foam plastics can be placed in front of the wall to block and reduce negative radiation, thus protecting the body from negative radiation damage.

You may be interested in: It's different now from the cold or the mild cold in ancient times

In the cold season before going to bed, besides going to bed early and getting up late, it's best to form the good habit of washing feet before going to bed. Soaking feet with hot water before going to sleep can dilate blood vessels, accelerate blood flow, improve skin and tissue nutrition of feet, reduce muscle tension and improve sleep quality, which is beneficial to preventing frozen feet and preventing diseases and health care, especially those who love reading and writing at night and sit for a long time until late at night, and should soak feet with hot water before going to bed.

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