IC cards are generally used to take buses in the city. There are special bus cards and bus cards shared with bank cards, which can be used as both bank cards and bus cards. At present, there is also a mobile bus card that is put together with the mobile phone SIM card. You can spend money by swiping your mobile phone on the bus, and you don't have to bring a bunch of pocket money when you go out, which is convenient and fashionable. 20 15 15 The Ministry of Transport issued the Opinions on Comprehensively Deepening Transportation Reform. According to the opinions, the Ministry of Communications has researched and formulated an intelligent transportation development framework, and realized national networking such as ETC and bus card. C card refers to the integrated circuit card, and the bus card we generally use is one of the IC cards. It is more convenient to use a bus card. You don't need to prepare change, just swipe your card in the car. Generally speaking, it is more favorable than small change. Many places are one yuan.