Provided is an automatic head care device that can reliably care a persons rear head. The automatic head care device includes a rear-head care unit, the rear-head care unit including contact units, each unit having a rotation gear rotating a plurality of contacts around a central axis of the rotation gear, a third arm rotatably holding the contact units, a cylindrical rack held between the contact units to be movable in an axial direction of the cylindrical rack, the cylindrical rack moving in the axial direction to rotate the rotation gears in opposite directions, and a motor for oscillating the contacts of the contact units by moving the cylindrical rack.
