To remove these pop-ups, according to the epidemic prevention and control regulations, citizens need to do nucleic acid testing, and implement the epidemic control policy according to the actual situation, and then the community will report it for removal. Health treasure pop-up window/kloc-released in 0/4 days. Citizens who receive a pop-up window to remind them of their itinerary within 14 days should check in at Beijing Health Bao as required. Those who have never been to high-risk areas will be given a green code. If the health code turns red and yellow, it may belong to people at certain risk of infection. Please take the initiative to report to the community, unit, school or hotel according to the pop-up prompts, truthfully and accurately provide personal recent residence history, contact history and personal health status, and cooperate with epidemiological investigation, health screening, nucleic acid detection, isolation observation and other prevention and control measures.