According to the requirements of the epidemic prevention and control headquarters in novel coronavirus, Anqing City, since March 9, passengers passing through Anqing Highway Passenger Transport Center Station must have the green code of "health code" and the negative certificate of nucleic acid test within 24 hours before they can check in and take the bus. Passengers who can't leave on time because they can't issue a negative certificate of nucleic acid test in time can apply for free return and change.