At 11:00 am on December 11th, Huangnanzhou Meteorological Observatory issued a yellow warning for a cold wave: it is expected that from 11:00 am on December 12th to 11:00 am on December 13th, there will be a cold wave weather in Tongren City, Jianzha County, Zeku County, and Henan County, with temperatures dropping by more than 8 ℃. Among them, Duowa Town and Guashize Township in Tongren City, Zequ Town in Zeku County, Ningmut Town in Henan County and other places can reach temperatures above 12 ℃. The temperature during the daytime on December 12th will drop to -6~0 ℃, and the temperature in the morning of December 13th will drop to -25~-13 ℃. During the process, the whole state is accompanied by 6-7 level westerly winds, gusts of up to 8 levels, and locally accompanied by sandstorms. Cold waves and blowing weather have a significant impact on agricultural and animal husbandry production, energy supply, road traffic, urban operation, and public health. Please take precautions. Defense guidelines: 1. The government and relevant departments should do a good job in preventing cold waves according to their responsibilities; 2. Individuals should pay attention to adding clothes to keep warm, and people who are sensitive to temperature changes should try to minimize going out; 3. Take protective measures for agriculture, forestry, animal husbandry, and animal husbandry.