As long as there is a local nucleic acid report without a star, normal check-in/take the train, and land in Lhasa, you can walk freely in Lhasa. If you have a local nucleic acid with a star, you need to check in normally/take the train to Lhasa, and you need to do nucleic acid uniformly, Lhasa No isolation, it is recommended to pay attention to the small program: Zangyitong, first register and report,