Abstract: Centered around the traffic impact of non-motor vehicles on buses at bus stops, the increase of bus delay was analyzed when the buses were approaching and leaving the bus stop and serving passengers. Based on the linear model of dwell time, the number of boarding and alighting passengers, calculation models of service time, dwell time and loading area capacity were proposed by adding the interference of non-motor vehicles. Finally, cases of calculation models at two bus stops in Zhengzhou were provided, and comparative analysis of influence degree of non-motor vehicles at not-bay bus stop and bus bay stop was made. Results show that non-motor vehicles have significant influences on buses. Loading area capacity respectively reduces by 13% and 6% at the not-bay bus stop and bus bay stop. The interference of non-motor vehicles at not-bay bus stops is larger. The best loading area at not-bay bus stops is 1/3 to 2/3 of the width of bicycle lane with the smallest average people delay. The research can provide technical support for the design of bus stops and the operation of buses.