It is an indispensable part of the priority development strategy of urban public transport to improve the transfer between urban rail transit and bus. In order to effectively evaluate the service level of bus and rail transit, timely discover the shortcomings existing in the transit system, nine representative evaluation indexes are selected from the four integration aspects of facilities, network, operation and ticket price. Then, a multi-level structure evaluation index system of feeder service is constructed and the calculation method of index weight of each level is also given. Finally, this paper analyzes the rail transit and bus connection system in Shenzhen. The research has improved the index system construction and evaluation method in the public transport feeder service, which is helpful for the public transport authority to formulate relevant service improvement strategies and measures.