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In order to realize intelligent production, Siemens latest PLC and touch screen are used as the control center and display interface of the fuel injection pump test-bed. The spindle speed, fuel injection count, fuel temperature, fuel pressure and so on of the test-bed are automatically controlled, and the fuel injection quantity of the fuel injection pump under any working condition is measured. The digital weighing module is adopted, which greatly improves the accuracy of the fuel injection quantity It optimizes the man-machine interface and improves the system security alarm function. The results of normal operation for many years show that the system realizes the automation and intellectualization of the test bench, achieves the motor speed range of 0 to 3000 rpm, motor speed error of ± 2 rpm, single test injection pump time less than 20 minutes and other indicators, fully meets the actual production needs of enterprises.