According to the monitoring and forecast of the China Meteorological Administration, due to the influence of cold air, the cold weather in China has occurred in a wide range, and rain and snow have appeared in many places. It is predicted that the temperature in most parts of central and eastern China will drop by 5-7 °C, and the local temperature drop can reach 10~12 °C, accompanied by 4-6 winds. Among them, from 08:00 to 21:00 on the 20th, southwest of Xinjiang In the southwestern part of the Qinghai-Tibet Plateau, the central and eastern parts of the Qinghai-Tibet Plateau, the central and eastern parts of the northwestern region, the southwestern part of Liaoning, and the northeastern part of Hebei, there are small to medium snow (rain) or sleet, east of Tibet, northern Sichuan Plateau and southeastern Qinghai. In some areas, there are heavy snow (rain); small rains or showers in the southwestern part of North China, the western and southern parts of Huanghuai, and most of them in the south, including central and eastern Chongqing, southwestern and northeastern Hubei, and southeastern Henan. There was heavy rain in central Anhui and other places.