The invention discloses a novel wave energy device, and belongs to the technical field of wave electricity generation. The novel wave energy device comprises a rotating body, second gears, electric generators, a supporting plate, a first gear, a connecting column, coils, permanent magnets, connectors, supporting rods, floating balls, first fisheye bearings, pin shafts, second fisheye bearings, hydraulic cylinders, supporting columns, racks, a main shaft and supports; the supports are arranged at the upper end and the lower end of the main shaft, the rotating body is mounted on the main shaft, two or more connectors are arranged on the rotating body, the supporting rods are arranged on the connectors, the left ends of the supporting rods stretch into the rotating body, the left ends of the supporting rods are provided with the permanent magnets, and the permanent magnets are located in the coils; and the coils are mounted below the supporting columns, the supporting columns are mounted on the top inside the rotating body, the floating balls are arranged at the right ends of the supporting rods, and the first fisheye bearings are arranged on the floating balls. The novel wave energy device has the beneficial effect that a plurality of kinds of wave energy can be utilized at the same time.