To provide a tempering apparatus capable of controlling a flow of chocolate in stirring and performing an effective cooling or heating.

This tempering apparatus has a vacant chamber 32 circulating water inside, a cylindrically shaped depressed part 31 on the surface, a piecing hole 27 at the center part, a jacket flange 20 having a chocolate pathway 28 piercing to a surface and a rear in the vicinity of the center part and an engaging hole 41 at the center part, a piercing hole 42 passing through chocolate at the vicinity of center part, a disk-like main body having a size engaging with the depressed part 31 of a jacket flange 20, an emperor 40 having a wing 47 provided at a rear side of the main body and having a shape introducing the chocolate to the center part of the main body by the rotation of the main body and wings 44 and 45 provided at the surface side of the main body and having a shape introducing the chocolate to the outside of the main body by a rotation of the main body and a rotation shaft 60 driven with a motor. The jacket flange 20 and the emperor 40 are alternately and repeatedly inserted into and engaged with the rotation shaft 60.