To provide an electric power steering device preventing occurrence of a situation where information provided for a driver is not recognized by the driver, and to provide a control device for controlling the same.

A control device 51 includes a processing section 57 for controlling an electric motor 31. When a first positional condition is satisfied, the processing section 57 outputs a right forenotice signal BR or a left forenotice signal BL for slightly vibrating a steering shaft to a drive circuit 59 of the electric motor 31. When a second positional condition is satisfied, the processing section 57 outputs a right direction signal CR or a left direction signal CL for slightly vibrating the steering shaft to the drive circuit 59 of the electric motor 31.