On May 10, 2006 (April 13, 2006 in the lunar calendar), Beijing refused to go through the back door when getting on the bus from now on, and the new all-in-one IC card was officially put on duty. Starting today, the Beijing paper monthly pass, which has served for 69 years, will be retired, and the new one-card IC card will be officially put on duty. Citizens can enjoy the convenience of swiping credit cards when taking buses, subways and some taxis. Starting today, Beijingers' habit of getting on the bus at both the front and rear doors for many years will also be changed. In the future, when taking buses, citizens must consciously queue up, get on the bus at the front door and get off at the back door (3-door cars are on the middle door, front and rear doors are under). In order to ensure the order of riding, the bus group will organize 4,000 civilized supervisors to guide citizens to queue up in an orderly manner and swipe their cards in a civilized manner from today. At the same time, in order to solve the congestion caused by passengers swiping their cards in the morning and evening peak hours, passengers can use mobile card swiping machines outside the bus stops with large passenger flow before getting on the bus. 78 mobile credit card machines are on duty today.