People in high-risk neighborhoods are not allowed to leave Beijing, but at present, personal nucleic acid testing is only open to "people who should check everything" in high-risk neighborhoods, and the appointment number for personal nucleic acid testing in low-risk areas should be arranged after July 20 at the earliest. So unless you have to leave Beijing on a business trip, you can apply for nucleic acid testing by your unit, and you can only leave Beijing with a nucleic acid testing certificate within 7 days.