Need. According to relevant information, as of June 65438+1October 65438+July 2022, people who enter public places such as museums will have their body temperature measured and their code scanned on the basis of normalized epidemic prevention and control, and those who live outside Beijing for less than 7 days will be refused entry. Therefore, in 2022 10 and 17, you need a travel card to enter public places. Communication Big Data Travel Card is a free inquiry service for 654.38+06 billion mobile phone users nationwide, which is obtained by China Xintong Institute, China Telecom, China Mobile and China Unicom by using the "signaling data" of mobile phones. Mobile phone users can query all the city information they have visited in the previous 654.38+04 days through this service.