An induction heating roll device for performing induction heating of a resin material while pressurizing the resin material, comprising: first and second resin processing bodies adapted to pressurize the resin material by interposing the resin material between the first and second resin processing bodies , at least one of the first and the second resin processing bodies being a roll ; an induction heating coil which is provided inside of the roll ; and a cooling medium supply device adapted to supply a mist-like cooling medium to a cooling medium flow channel which is formed inside of the roll , wherein the induction heating coil is adapted to perform induction heating of the roll , and the cooling medium supply device is adapted to cool the heated roll by supplying a mist-like cooling medium to the cooling medium flow channel , and in a radial direction of the roll , the induction heating coil is positioned on a center axis (Ca) side of the roll , and the cooling medium flow channel is positioned on an outer circumferential surface side of the roll , the device further comprising: a discharge flow channel disposed toward the center axis (Ca) side than the cooling medium flow channel and extends in an axial direction of the rolling roll , wherein the discharge flow channel is configured to discharge the cooling medium supplied to the cooling medium flow channel outside the rolling roll , and the discharge flow channel is formed inside of an extension portion of the rolling roll , and the cooling medium supply device includes a nozzle portion , the nozzle portion is configured to spray a supplied cooling medium, to a communication passage which is formed inside of the extension portion , and configured to supply pressurized air, and thereby able to supply the mist-like cooling medium to the cooling medium flow channel through the communication passage . first and second resin processing bodies adapted to pressurize the resin material by interposing the resin material between the first and second resin processing bodies , at least one of the first and the second resin processing bodies being a roll ; an induction heating coil which is provided inside of the roll ; and a cooling medium supply device adapted to supply a mist-like cooling medium to a cooling medium flow channel which is formed inside of the roll , wherein the induction heating coil is adapted to perform induction heating of the roll , and the cooling medium supply device is adapted to cool the heated roll by supplying a mist-like cooling medium to the cooling medium flow channel , and in a radial direction of the roll , the induction heating coil is positioned on a center axis (Ca) side of the roll , and the cooling medium flow channel is positioned on an outer circumferential surface side of the roll , the device further comprising: a discharge flow channel disposed toward the center axis (Ca) side than the cooling medium flow channel and extends in an axial direction of the rolling roll , wherein the discharge flow channel is configured to discharge the cooling medium supplied to the cooling medium flow channel outside the rolling roll , and the discharge flow channel is formed inside of an extension portion of the rolling roll , and the cooling medium supply device includes a nozzle portion , the nozzle portion is configured to spray a supplied cooling medium, to a communication passage which is formed inside of the extension portion , and configured to supply pressurized air, and thereby able to supply the mist-like cooling medium to the cooling medium flow channel through the communication passage . <EOS>