Abstract: An automatic bathing apparatus that can automatically bath a body, and more particularly to, an automatic bathing apparatus that can automatically and easily soap massage and take a bath when a bathing device contacts with a body by generating a rotation motion using electricity, transferring the rotation motion to a flexible shaft, and automatically rotating a bathing device, is provided. The automatic bathing apparatus includes: a motor (19) that generates a rotation motion; a first flexible shaft (3) and a second flexible shaft (7) that transfer a rotation motion of the motor (19) and that are disposed in a single line; a relay (5) that is provided between the first flexible shaft (3) and the second flexible shaft (7) and that disconnects or connects transfer of a rotation motion; a bathing device (8); and a driver (9) that receives a rotation motion of the second flexible shaft (7) to drive the bathing device (8).