In recent years, with the continuous updating and development of intelligent ic card, smart card from communications, energy, communications, security management, identification and other fields gradually to the transportation industry, and now in the urban transportation system has been widely used. Thus, it has accelerated the pace of peoples life.

In the background of intelligent urbanization, city and intercity traffic as the carrier of people, and peoples life seamlessly connected, so how to use the recent scientific and technological means to suppress traffic accidents, combat the prevention of suspected cases, and thus enhance the overall management of the citys traffic level has become a difficult problem in the public security transportation sector, but also the construction of intelligent cities is the first core issue, electronic card system is being vigorously promoted and applied in this situation. The electronic card system is being vigorously promoted and applied under this situation.

Through the city a card, establish a card in hand unimpeded, the city a card function mainly lies in, bus card, subway card, as well as public bicycle and other uses, so that the public into the fast but not chaotic life rhythm.