The characters of bus lane system operation and its parameters have the vital significance to the plan, the design, the operation of the bus lane system. The paper takes the bus lane system in Kunming as an example, and it does the research on the characters of bus lane system operation according to the massive investigation data. Based on the massive measured data, the paper has conducted the research on parameters of the bus lane system operation -- Beijing road in Kunming from rapidity, the reliability, comfortableness, the transportation efficiency, etc.