At present, all regions are paying close attention to the epidemic prevention and control. How to make the epidemic prevention and control more accurate and warm? How to classify and treat the patients with positive infection scientifically? How to effectively solve the urgent problems reflected by the masses? The joint prevention and control mechanism of the State Council held a press conference on the 29th to respond to social concerns on relevant focus issues. Quick closure, quick release and complete solution make the epidemic prevention and control more accurate and warm. "The closure and control management should be fast closure, quick release and complete solution to reduce the inconvenience caused by the epidemic to the masses." Mi Feng, spokesman of the National Health Commission, said. "Long term closure and control not only greatly affect the normal production and living order of the people, but also easily cause anxiety and difficulties in life, which must be corrected and avoided." Cheng Youquan, director of the First Supervision Department of the National Bureau of Disease Control and Prevention, said. Cheng Youquan said that, in principle, high-risk areas are generally defined by units and buildings and cannot be expanded at will. When the risk of epidemic transmission is not clear or there is widespread community transmission, the scope of high-risk areas can be appropriately expanded, but it is necessary to pass nucleic acid screening and epidemic research and judgment in a timely manner to quickly seal and resolve. At the same time, the judgment of risk personnel shall be based on on-site flow adjustment, and the scope shall not be expanded through time and space, which may cause large-scale "accidental injury". High risk areas should be strictly controlled and managed to "stay at home", and we should also make every effort to do a good job of service guarantee to meet the basic living needs of the people and medical needs. "We will promptly and effectively solve the urgent, difficult and anxious problems reflected by the masses, so that all work can be done more accurately and with more temperature." Cheng Youquan said. In view of the random expansion of the control area and the scope of personnel in some places, the phenomenon of "one seal", and the long-term failure to unseal after the closure of the control, Cheng Youquan said that various places have set up special work teams to rectify "layer by layer". The Joint Defense and Joint Control Mechanism Comprehensive Team of the State Council is dispatching every day to actively and effectively respond to various problems reported by netizens and the people in various places, and transfer them to relevant places to promote solutions. The ability to treat patients with positive infection by scientific classification should be further improved. "We should treat patients with positive infection by scientific classification, properly treat and care children, the elderly and patients with basic diseases, and promote the early recovery of patients." Mi Feng said. Since the outbreak of the epidemic, China has continued to strengthen the construction of designated hospitals, shelter hospitals and fever clinics, striving for early detection, early reporting, early isolation and early treatment. "Next, we need to strengthen the construction of designated hospitals, especially to improve the comprehensive treatment capacity and multidisciplinary diagnosis and treatment level, and improve the capacity of severe care." Guo Yanhong, director of the medical emergency department of the National Health Commission, said. Guo Yanhong introduced that from the practice of clinical medical treatment of COVID-19, people with severe tendency mainly include the elderly, patients with basic diseases and people without vaccination. "Among them, the elderly and cancer patients, especially those in the cancer treatment period, are high-risk groups prone to severe disease, so special attention should be paid in the medical treatment process." Guo Yanhong said that such infected people must be treated scientifically, medical treatment arrangements should be properly made, and basic diseases should be actively treated to ensure the health and safety of patients. Continuously strengthen the supervision of nucleic acid testing institutions to ensure the quality of nucleic acid sampling