The utility model relates to an intelligentized relay protection verifying device of power system, belonging to the technical field of testing, which comprises a verifying apparatus and a verified protective relay device, and is characterized in that a line of cross-interaction matrix is arranged between the verifying device and the verified device, a relay contact is positioned on a crosspoint of each line of cross-interaction matrix and verifying logical control devices are communicated with all relay contacts under control in series. Electric quantity of ports of all lines of cross-interaction matrixes is acquired and the on/off of corresponding relay contacts can be selected/controlled as per the preset logical judgment conditions, thus, corresponding input/output terminals between the verifying device and the protective relay device can be correctly and automatically connected. The intelligentized relay protection verifying device of power system has the advantages of enjoying intelligentized verifying function on the protective relay device, realizing the automatic wiring during the verifying to ensure the correctness of results, and accomplishing the automatic storage of verifying results and data to promote the process efficiency or completion efficiency of the verifying.