Health Bao temporarily suspended or banned from entering Beijing: 1. Notification: confirmed cases, asymptomatic infected persons, suspected cases, close contacts or sub-close contacts. 2. It belongs to those who live in areas where there are 1 cases or more native COVID-19 infected people within 14 days. 3. It belongs to the person who is related to the synchronous emptying track of COVID-19 infected people in China. 4. Persons who belong to other domestic ports (non-Beijing ports) and stay in China for less than 2 1 day. 5. Risk personnel who can't get in touch or don't cooperate with the investigation and control during data verification.