The utility model discloses a power-driven flat car used for detection and testing of power equipment. The power-driven flat car used for detection and testing of the power equipment comprises a test instrument and a controlling unit for controlling the test instrument. The test instrument and the controlling unit are installed on the power-driven flat car. A driving position and a workbench used for installing the controlling unit are arranged in the front of the flat car. A machine cabinet is arranged in the rear of the flat car and used for installing the test instrument. The power-driven flat car used for detection and testing of the power equipment has the advantages that trouble in transporting testing equipment is saved, the flat car can normally move into a field where the power equipment is densely arranged and undergoes testing, only one-time wiring is needed for finishing all testing items, reeling and unreeling of electric wires of the testing equipment are convenient to carry out, use is safe and manpower and material resources are greatly reduced.