*** Service guarantee and other work to promote the accelerated implementation of various prevention and control measures. She pointed out that this epidemic is the first local aggregation epidemic caused by the Omicron virus strain. The Tianjin municipal Party committee and government implemented the decisions and arrangements of the CPC Central Committee and the State Council, took effective measures to effectively control the epidemic in the outbreak area, curbed the spread and spillover of the epidemic, and achieved phased results in prevention and control. Li Hongzhong, member of the Political Bureau of the CPC Central Committee and Secretary of Tianjin municipal Party committee, attended relevant activities. The epidemic situation in Tianjin is mainly concentrated in Jinnan District, and the infected persons account for 94% of the whole city. Sun Chunlan promoted the implementation of knock on action, isolation point service management improvement action and social "clearing" action in Jinnan District, inspected nucleic acid sampling points, laboratories and big data centers for many times, organized and carried out full staff screening, found that infected persons were transferred at the first time, and timely investigated and controlled the close contact and secondary close contact personnel in place. On site guide the transportation and isolation of close contact and secondary close contact personnel in Linjin Garden community with the most serious epidemic situation in Jinnan District, optimize the work flow, strengthen the connection of various links, and promote the risk personnel to be separated every other day, clear every day and settle every day. There are many and scattered isolation points in Tianjin. Strictly strengthen the management of isolation points, do a good job in the professional skill training of staff, and strengthen health monitoring and health supervision to prevent cross infection. In order to strengthen the management of designated hospitals, he went to Haihe hospital for many times to discuss with front-line experts, promote the implementation of the hospital management system, transfer medical and nosocomial prevention and control experts, strengthen patient treatment, and avoid death cases due to the new crown. The supply of living materials in Tianjin is sufficient. It is required to do a detailed and practical service guarantee work, understand the specific demands of the masses, and timely help solve the practical difficulties in daily life and medical drugs. Sun Chunlan pointed out that with the Spring Festival approaching, local special classes for epidemic prevention and control should strengthen emergency duty and efficient operation, clarify work procedures, carry out training exercises, master prevention and control policies and technical guidelines, and respond quickly and extinguish the epidemic in time once it is found. From the perspective of the recent aggregated epidemic situation, to do a good job in normalized prevention and control, we should adhere to prevention first, implement the "four early morning" requirements, expand the investigation scope of risk personnel in key industries, strengthen the management of entry isolation places, designated hospitals, port airports and population nucleic acid screening in surrounding areas, and timely find and eliminate potential risks. (Xinhua News Agency)