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According to the requirements for speed and position accuracy of the placement machine control system, a placement machine control system based on STM32 microprocessor motion was designed. A closed-loop control based on auto-disturbance suppression controller (ADRC) is designed to solve the problem of position tracking accuracy due to interference such as jitter during the fast start-stop process of the placement machine control system in the motor control. The linear extended state observer (LESO) estimates the internal and external disturbances of the system in real time, and compensates the disturbance by the linear error compensation control law, thereby improving the single-axis position tracking accuracy. The upper computer system management software is designed to storage the files of the PCB, and send data to the lower computer control system through serial communication. In practical applications, the control system is stable in operation, good in anti-interference performance, high in control precision, and has certain practical application value.