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The noise resistance of the robot motion information collection is poor, resulting in the system trajectory not matching the actual trajectory, and the trajectory control effect is poor. Therefore, the design of robot trajectory control system based on strong tracking filtering is proposed. The system cooperates with software and hardware to control the robot trajectory in real time. The hardware structure of the IPM motor drive control system is adopted, and the multi-CPU structure control mode is used to control the movement of a robot joint according to the instructions and perception information. The PCI9052 interface is used to control the PCI-485 interface card, which realizes the communication between the upper and lower computers. With TMS32OF240XDS as the core, the DSP controller is designed to completely separate the program space and data space. In terms of software design, the CAN-TTLG single-chip optically isolated ultra-remote driver enables the system to have certain anti-noise capabilities. Construct the robot motion equation, introduce weak tracking filter weakening factor, calculate the deviation of the motion trajectory, and perform gravity compensation on the robot motion control, thus design the trajectory control process and complete the design of the robot motion trajectory control system. The experimental results show that the trajectory of the system is consistent with the actual trajectory, and the trajectory control efficiency is good, with good control effect.