The invention discloses an inspection tool cabinet for an electric generator in a hydropower station. The inspection tool cabinet comprises a cabinet body and a cabinet cover. The cabinet cover is movably connected with the top of the cabinet body through a hinge, a plurality of protrusions are evenly arranged at the top of the cabinet cover, and an illuminating lamp is arranged on the right surface of the cabinet body; hydraulic cylinders are symmetrically and fixedly arranged on the two sides of the cabinet body correspondingly, hydraulic rods are movably connected with the bottom ends of the hydraulic cylinders correspondingly, and one ends of the hydraulic rods are movably connected with one end of a lever through hinge pins; support rods are arranged on one side of the cabinet body and the bottom end of the lever, one end of the lever is fixedly connected with a hoisting plate, and a plurality of tool grooves are formed in the cabinet body; and a plurality of rubber antennas are evenly arranged in each tool groove, a power supply and a multimeter dial plate are arranged at one end of each tool groove, and a wire slot is fixedly formed in one end of each multimeter dial plate. According to the inspection tool cabinet for the electric generator in the hydropower station, maintaining is convenient, maintenance tools are convenient to carry and store, the manpower is saved, and the maintaining efficiency is higher; and arrangement is more user-friendly, and the inspection tool cabinet is suitable for more inspection places and worth of being widely popularized.