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Aiming at the problems of low monitoring accuracy and poor anti-collision effect of the proposed intelligent anti-collision monitoring system for workshop manipulator, a workshop manipulator intelligent anti-collision monitoring system based on pressure feedback control is proposed. The hardware system introduces an automatic centering device. Two collision avoidance switches are added inside the manipulator to connect the collision avoidance switch with the alarm. If there is a collision, an alarm will be sent out. Jcq1 work monitor is used in series with the manipulator to determine the working state and action times of the manipulator. In the software part, according to the characteristics of the manipulator movement, the manipulator double acting hydraulic cylinder and the boom single piston rod double acting hydraulic cylinder are set. Through the pressure feedback, the piston diameter is calculated to obtain the hydraulic cylinder diameter, and the maximum flow rate is judged. The judgment result is compared with the threshold value to complete the anti-collision software monitoring. The experimental results show that the intelligent anti-collision monitoring system of workshop manipulator based on pressure feedback control can control the intelligent anti-collision monitoring data of manipulator more accurately, and the anti-collision control precision is high, which indicates that the designed system can effectively realize the intelligent anti-collision of manipulator.