To achieve switching operation in various kinds of operation modes which do not cause troubles in steering wheel operation, and achieve switching operation in two directions in any operation mode.

The switching device 20 arranged to a ring 4 of a steering wheel 2 of a vehicle includes an operation member 22 which is provided to the ring 4 of the steering wheel 2, and normally rotates and reversely rotates around the ring 4. The operation member 22 has a ring shape at least partially surrounding the ring 4 of the steering wheel 2. The operation member 22 includes operation parts 24, 25 provided in a position visible from the front side of the steering wheel 2 and in a position where the operation can be conducted by a finger from the rear side of the steering wheel 2 for assisting the normal rotation operation and reverse rotation operation of the operation member 22.