Shenzhen nucleic acid is open 24 hours a day. According to the relevant public information, as of February 7, 2122, CCTV News and Shenzhen Health and Health Commission reported that Shenzhen has set up 53 fever clinics (consultation rooms) in the city and opened them 24 hours a day, National Health Commission requested that the nucleic acid sampling points should not be abolished at will, and the Ministry of Culture and Tourism requested that entertainment places and tourist attractions no longer check health codes.