To provide an electrically-driven muscle adjusting beauty apparatus free from exhausting the fingers even when continuously performing self-tapping cure, and greatly improved in operability so as to continuously give mechanical stimulus to the skin of the face or the trunk part by intermittent tapping.

A beauty apparatus body 1 includes tapping means 2, and tapping driving means 3. A hammer 12 is moved to an opposite thrust direction by rotating at low speed a motor 21 comprising the tapping driving means 3, and a drive pin 20 fastened to an output shaft 23 of a slowdown gear 22 reducing the rotation of the motor 21, and a silicone head 4 is made to perform tapping operation through a movement shaft 11, a piston head 8, and a hitting head 7, by the repulsive force of a rear spring 14 when the drive pin 20 comes off from an opening part 12w of the hammer 12.