In order to ensure the warmth and safety of the masses during the winter, local governments continue to make efforts in ensuring material supply and providing accurate services: develop community group buying and e-commerce distribution to ensure stable supply of major supermarkets; Do a good job in the transportation of electricity and coal, and carry out special law enforcement actions for winter heating products; A series of measures have been taken to make the people feel comfortable and warm this winter. Online and offline linkage has made efforts to stabilize the supply of people's livelihood materials. "Tomatoes and cucumbers are delivered to us downstairs, without charge for distribution." In the first district of the entrepreneurial city of Daqing City, Heilongjiang Province, Wang Xiaoxue, a citizen, lives with two elderly people all the year round. After the snow, it was inconvenient to go out. She placed seven or eight kinds of vegetables and fruits on her mobile phone through the community group purchase applet. "There are all kinds of food materials." In the unit hall on the first floor, Liu Shumei, the group purchase leader, began to sort today's goods. At present, the online distribution volume of major supermarkets in Daqing City accounts for more than 40% of the turnover. "We have cooperated with many parties to constantly improve online sales models such as vendor supermarket APP and small programs, constantly enrich various forms such as telephone shopping and WeChat messages, and promote them online." Li Haibo, a fourth level researcher of Daqing Municipal Bureau of Commerce, said that the city has established a three-dimensional distribution service that focuses on community group purchase and distribution, supplemented by supermarket and e-commerce distribution, so that citizens can buy fresh food at home. Several large supermarkets in Ranghulu District of Daqing City have a complete range of goods such as fruits, vegetables, meat, eggs, milk, etc. "The 'vegetable basket', 'fruit plate' and 'rice bag' of more than 2 million Daqing citizens have sufficient inventory guarantee." Li Qiang, head of the Market Order and Regulation Section of the Daqing Municipal Bureau of Commerce, turned on the computer: the two major agricultural wholesale markets in the city purchased 1000 tons of fruits and vegetables every day, with an inventory of about 2400 tons; The 15 major supermarkets have 118.2 tons of vegetable stocks, 153.6 tons of fruit, 11.7 tons of pork... "We update various data every day to make an orderly adjustment of the surplus and shortage among regions. Through the establishment of a foreign source information database, we can also expand the source of goods in a timely manner and coordinate the supply of materials." The Daqing Municipal Bureau of Commerce has established a dynamic monitoring mechanism for market supply, through the city, county (district), township (street) three level linkage, Daily monitoring of the supply, sales and inventory of large agricultural wholesale markets and key supermarkets in the city; Set up an emergency supply guarantee management platform, covering the production, market, wholesalers, retail, e-commerce, distribution and other six sectors of necessities, and update the number of businesses in the city, the number of platform transactions, the number of distribution teams, the number of supply guarantee enterprises and other eight categories of data in real time; To timely push the information of supply sources, policies, weather, etc. for the agricultural wholesale market and major supermarkets, so as to ensure stable supply and smooth transportation. In order to effectively respond to emergencies, Daqing City has formulated an emergency plan for market supply guarantee. After comprehensively understanding the basic conditions of large and medium-sized chain stores, key wholesalers and community supply guarantee outlets, such as location, size, warehouse, personnel, distribution vehicles, etc., it has determined that there are more than 130 emergency suppliers and 80 key suppliers. It is biased against the lack of stores and supermarkets