"The weather and personnel are urging each other, and the winter solstice is sunny and spring is coming again." On December 22, we will welcome the winter solstice. The winter solstice is the 22nd of the 24 solar terms. On this day, the day when the sun reaches the Tropic of Cancer is the shortest day and the longest night in the Northern Hemisphere. "After eating the winter solstice noodles, there is a long line every day." After the winter solstice, the direct sunlight point moves northward day by day, and the days begin to grow longer. In fact, the winter solstice is not the coldest time of the year because the sun is at its lowest height and the daytime is the shortest. People usually regard the winter solstice as the beginning of the "counting nine" custom, which also means that only after the winter solstice can we usher in the real severe test of the year. From the situation in China, it is more common for the Xiaohan solar term to be the lowest temperature solar term in a year. Compared with previous years, this winter looks colder. In December, one after another cold air continued to affect China, leading to lower temperatures in most parts of the north than in the same period of the year. Among them, the temperature in northern Xinjiang, Gansu, northern North China, and southern Northeast China is 2 ℃ to 4 ℃ lower, and 5 ℃ to 6 ℃ lower locally. On December 20, the Shandong reach of the lower Yellow River was closed for the first time this year, 13 days earlier than usual. According to the forecast of the Central Meteorological Observatory, the cold air will continue to affect China around the 22nd. The temperature in some parts of the north will drop significantly. The temperature in Inner Mongolia, North China, the central and southern parts of the Northeast, the eastern part of the Yellow River and Huaihe River, and the eastern part of the Yangtze River and Huaihe River will drop by 4 ℃ to 8 ℃, exceeding 10 ℃ locally. In cold weather, people are more eager for the steaming fireworks. The Winter Solstice is one of the four seasons and eight festivals. It is regarded as a big festival in winter and has formed a unique winter solstice food culture in China. Northerners will cook a pot of steaming dumplings on this day, because the dumpling has the meaning of "dispelling cold". So far, there is a folk saying that "in the winter solstice, the dumpling bowl is improper, and no one cares if the ears are frozen off". In the Jiangnan Watertown, the whole family has the custom of eating red beans and glutinous rice together, hoping to prevent disasters and eliminate diseases. Some places will drink hot mutton soup, and some places will cook glutinous rice balls, which all contain people's good expectations for hot life. Previously, most farmers in the north had the habit of "cat winter". Nowadays, the rhythm of winter is busy in both the south and the north. Jilin Province, located in the northeast, has made great efforts to develop ice and snow tourism and eco-tourism, and gradually transformed "cold resources" into "hot economy". At the bank of Chagan Lake, "Yubatou" led everyone to repair their fishing nets and prepare for the upcoming Winter Fishing Festival. Home stay and farmhouse entertainment were already ready to welcome visitors. In Changbai Mountain, you can experience the passion of skiing, the comfort of hot springs, and the majesty of snow mountains... Many tourists come to Changbai Mountain to experience the scenery of ice and snow. It's freezing outside, but the strawberry greenhouses in Xiaotangshan Town, Changping, Beijing are warm as spring. The beautiful strawberries are maturing, and the fruit farmers are busy in the greenhouses. In the south, winter is the time to build irrigation and water conservancy. Hunan, Jiangxi and other places are vigorously promoting water conservancy construction in winter and spring to make up for shortcomings and lay a good foundation for a bumper grain harvest in the coming year. At present, many parts of the country are intensively adjusting and optimizing epidemic prevention and control measures, production is "busy" again, and consumption is