Multi sensor fusion technology of vehicle tracking is a set of environment perception, planning and decision-making, auxiliary driving level functions in an integrated system and is an important part of the intelligent transportation system.It has wide application prospects in military, civil, space development and other fields.The design of multi sensor fusion technology of vehicle tracking control system is researched, designed and implemented based on path planning of intelligent vehicle control system.At present, such devices have been applied to many aspects, such as archaeology, robots, entertainment and so on.Multi sensor fusion technology vehicle tracking is an important part of mobile robot, the design by real-time detection of each module of the sensor input signal using infrared to detect black line to achieve obstacle avoidance, through photoelectric sensors tracking the storage space larger as the main control chip, driving motor car used L298N chip, achieve automatic identification trolley line, the more effective control of the in run into obstacles can driving steering angle and tracking.