The invention provides hydraulic-fuel dual-loop multifunctional test equipment. A to-be-tested fuel pump is connected to a pilot type proportional overflow valve through one path of an electric three-way valve to carry out the performance test of the to-be-tested fuel pump, and the other path is connected to a proportional throttle valve to carry out an impact performance test of the to-be-testedfuel pump; and a to-be-tested hydraulic pump is connected to the pilot type proportional overflow valve through one way of the electric three-way valve to carry out the performance test of the to-be-tested hydraulic pump, and the other path is connected to a two-position three-way electromagnetic reversing valve and the pilot type proportional overflow valve to carry out an impact performance testof the to-be-tested hydraulic pump. According to the equipment, a throttling mode of the pilot type proportional overflow valve and the proportional throttling valve is adopted to generate differentpipeline pressures, the required target value is adjusted by using various sensor signals in the loop as feedback, various load working conditions for testing the hydraulic pump and the fuel pump areprovided, working characteristics such as pressure and volumetric efficiency, pressure and total efficiency, pressure and output power, and pressure and flow of the hydraulic pump and fuel pump are realized, so that the impact performance test of the hydraulic pump and the fuel pump can be realized.