With the rapid development of the Internet and modern economy, people gradually come into contact with mobile terminals, and their demand for them is also growing. In particular, in recent years, the number of mobile payments in China has also shown a continuous growth trend, and there have been mobile payment means such as Alipay, WeChat, Apple pay and so on. At the same time, with the emergence of new technologies such as big data, cloud computing and financial payment, the technical means of mobile payment have become more and more diverse, which provides space for the continuous development of mobile payment. The construction and improvement of the bus card system has always been an important issue to promote the development of urban traffic. It is also a problem that the government should solve in the construction of a new city. A more perfect bus card system can help to improve the frequency of the residents to use the bus travel and help to solve the urban traffic problems. This paper mainly aims at the application of mobile payment in the field of public transportation, analyzes the current situation and trend of the payment in the field of public transportation, and analyzes and studies the existing problems and solutions of the application of mobile payment in the field of public transportation.

2015 China's mobile payment record over $258 billion, and first mark 2310 billion dollars of U.S. mobile payment. In particular, since 2000 China's Internet, e-commerce and mobile market is growing explosively. Internet related sectors was a rapid economic growth and more than 30 percent, got the active state support measures, through the “Plus the Internet” of the Chinese government key industrial development. China has have 800 million and the number of Chinese Internet Users and one billion persons of smartphone holder. However, Chinese Internet market is foreign half closed, and exclusive to the market. Nation's leading Internet companies in Korea, Naver coperation and KaKao co. as well as a global company Google, Facebook also be limited to advance in China. China's, a leading internet companies has grown explosively, self-reliance and to increasing thier size in the Chinese government's aggressive Internet service business of protection policy. China, which not only change rapidly, go to the variety of online services market, fast growth and a third party payment service market. Among them, not deterred by the place, and growing mobile payments market is getting attention with high convenience. China grew into 14 trillion won and mobile payment market in 2014,China Mobile payments the world No.1 mobile payment market by 2015 surpassed U.S.A. Third party payment services online purchase of goods and large discount stores as well as payment services O2O, restaurant food expenses payment and money transfers, electricity, as well as the gas bill, even street vendors roasted sweet potato, third-party mobile payments service when purchasing in China to the point where I could make a deal through the mobile payment services, are becoming popular. “cash - debit card - credit cards – mobile payments” general financial patterns that lead to beyond directly to mobile payments in cash, debit card, ChinaEnough to outshine even when they preferred The credit card market trends and status of the development of mobile payments do not have on the market. Followed by China sns and representatives of the game maker, Tencent wichaet tenpei you go to pay 490 million in second place, China Federation of Banks that 500 million Union number of customers, renobo, Laka, Pay, Baidu's Wallet Baidu, Suning's ipuba, Oga, Wonjuk on the market share. But by 2017 industry in China smartphones to 1.5 billion units expected to increase its reserves to sustained competition and innovation is expected to come out because it is a promising market.