With the prosperity of urban economy, the fast speed of urbanization process, the constant enlargement of urban area, the increasing of urban population, the abundant of urban people's lives content, the status of city public passenger traffic show important in urban people’s daily life. The development of public passenger traffic should be put into important position.

Since 2004, the passenger bus market of public transit has heated gradually. First of all many local governments recommend that " the public transit has priority ", pursue public transit franchise; Second, as the competitions of passenger bus market are aggravated in these two years, very passenger bus enterprise has to look for the new market space, the public transit bus market became the focus due to its 40% market occupation. The third reason is many domestic cities reorganizing the public transit bus, provides a good opportunity to some smart manufactures, also force them to improve the technology to meet the demand of Chinese public transit market.

The passenger bus of public transit is becoming the new focus of the passenger bus market gradually.