The utility model discloses an operating manipulator for a transformer substation protection device. The device comprises a connecting joint connected with a mechanical arm of an inspection device, anoperation box body is connected to the connecting joint through a rotary joint, an operation platform and a camera used for shooting a display screen of the protection device are installed in the operation box body, and telescopic keys corresponding to keys of the protection device are arranged on the operation platform. The operation mechanical arm is mainly used for operation of the transformersubstation protection device, the camera is used for shooting the display screen of the protection device, the operation platform is used for operating the keys of the protection device, the automation degree of operation of the protection device is further improved, participation of manpower is reduced, and therefore labor intensity is reduced.