摘要:Bus has become an integral traffic mode for urban residents along with the development of public transport system; and as a kind of public service, urban public transport is the basic infrastructure closely related to people, and is also require d to constantly improv e its service levels to better serve people. Therefore, how to evaluate its service level has become one of the important projects that need to be studied. Based on establishing the mathematical model of fuzzy comprehensive evaluation and illustrated by the case of Xi’an, this paper verifies the model rationality, assesses the bus development level in Xi’an, and further puts forward countermeasures for its bus services according to the results.