Some areas in Hexi District of Tianjin are prohibited from leaving the city. According to the relevant public information, the epidemic prevention and control situation in Hexi area of Tianjin as of June 7, 2022 is medium risk in some areas, and the epidemic prevention and control measures require people in the normalized prevention and control area to leave Tianjin normally; People in low-risk areas do not leave the area unless necessary, and those who really need to leave must hold a 48-hour negative nucleic acid certificate; People in high-risk areas can't leave Tianjin. At the same time, from September 10 to1October 3 1, when leaving Tianjin by plane, high-speed rail, train, inter-provincial long-distance passenger transport and inter-provincial passenger ship, it is necessary to check the negative certificate of nucleic acid detection within 48 hours.