For several days, the antigen kit is "hard to find" and has become a hot spot. Influenced by the cancellation of nucleic acid testing sites in various regions, antigen reagents have become an important means for residents to determine whether they are infected with COVID-19. The demand for "positive leave" or "negative return" of employees has become one of the important reasons for the surge in demand for antigen reagents. However, the new measures introduced by the government may fundamentally change the "hard to find" demand situation in the market. Recently, officials in Zhejiang, Chongqing, Anhui and other places announced that asymptomatic and even mild illness can be used to work normally under the condition of good protection. Some hospitals suggested that medical staff should stick to their posts without symptoms; Beijing proposed to return to work after removal of isolation, without nucleic acid and antigen testing. While the government proposes to reduce the pressure on the demand side, the production side is also working hard. Beijing, Zhejiang, Shandong and other places are making greater efforts to improve the production capacity of antigen reagents to meet market demand. Zhejiang and Chongqing are the first places where officials in many regions declared that they could work without symptoms. On December 18, at the 123rd press conference on the prevention and control of the COVID-19 in Zhejiang Province, Chen Chong, Executive Deputy Director of the Leading Group Office for the Prevention and Control of the epidemic in Zhejiang Province and Deputy Secretary General of the provincial government, suggested that every enterprise and public institution should pay attention to it, actively take measures, and make preparations in advance to try to avoid large-scale infection in the same unit within the same period of time, and strive to minimize the impact of the epidemic. "All units shall strengthen the health monitoring and service guarantee for employees. If employees have symptoms such as fever and cough, they shall be guided to deal with them symptomatically, and rest shall be guaranteed. The asymptomatic infected people may take measures such as home isolation as appropriate. If necessary, they can continue to be on duty on the premise of personal protection. When the disease gets worse, they shall seek medical advice in a timely manner." On the same day, the General Office of the novel coronavirus Pneumonia Epidemic Prevention and Control Headquarters in Chongqing issued the Notice on Further Optimizing Epidemic Prevention and Control Measures (hereinafter referred to as the Notice). In the notice, it was advocated that no sampling or medicine should be taken without symptoms, and that "asymptomatic and slightly ill cadres and workers of Party and government organs at all levels, enterprises and institutions in the city can go to work normally after personal protection according to their physical conditions and job needs." On the evening of December 19, the Office of the Wuhu COVID-19 Prevention and Control and Promotion of "Six Stabilities" Work Headquarters issued the Notice on Further Optimizing the Measures for Epidemic Prevention and Control. From now on, cadres and workers at all levels of the party and government mass organizations, enterprises and institutions with no symptoms and mild symptoms can go to work normally. The idea that people can go to work without symptoms is based on the consideration of minimizing the impact of the epidemic. For example, Zhejiang proposed that "we should try our best to avoid large-scale infection in the same unit in the same period of time, and try to minimize the impact of the epidemic", "we should ensure that when the epidemic is serious, work is continuous and order is not disorderly"; Chongqing proposed to "effectively shift the focus of work from infection prevention to health protection, severe disease prevention, development promotion, and further facilitate the production and life of the masses"; Wuhu said that "according to the new situation, new tasks and new requirements of epidemic prevention and control, the focus of work should be shifted from infection prevention to health protection, severe disease prevention and development promotion, and the prevention and control plan should be optimized and improved according to the time and situation". Many hospitals advocate asymptomatic medical staff