Combined with the calculation of hydraulic working conditions, an experimental debugging and analysis was conducted on the hydraulic working conditions experimental bench of a certain variable-speed heating network. It was found that the experimental process was difficult to control, and the main reason why the experimental results were inconsistent with the theory was the large measurement error and the circulation pump. The lift is high. Calculation and practice show that this type of experimental bench uses a circulating pump with a maximum lift of no more than 4m, which not only facilitates experimental adjustment, but also saves power consumption during the experiment. The minimum graduation of the configured flow meter should be 1Lh, and the scale of the pressure measuring tube should be Vertical and flat installation at equal heights. Based on the current situation of the experimental bench and the actual heating pipe network, the article also puts forward suggestions to improve the system sealing, add vertical users, and change the simulated boiler from cold to hot, etc., which are improvements to this type of experimental bench. Point the way.