The invention discloses verifying equipment, method and device of a high-frequency-current partial discharge live detection device. The verifying equipment comprises a pulse generator, a coupling device and an HF detector mainframe, wherein the pulse generator is used for transmitting a calibration signal; the coupling device is connected with the pulse generator and is the variation form of a coaxial RF cable, and a to-be-tested RFCT sleeves the core wire of the coupling device; the HF detector mainframe is used for detecting a pulse response signal, and the comparison result of the pulse signal and the calibration signal is used for indicating the testing performance of the high-frequency-current partial discharge live detection device. By the verifying equipment, the technical problem that field verification cannot be performed on the high-frequency-current partial discharge live detection device in the prior art is solved.