An induction heating cooking apparatus comprising: a main body; a top plate mounted on an upper surface of the main body to place a cooking container thereon; a heating coil disposed below the top plate to heat the cooking container; an infrared sensor disposed below the top plate to detect infrared rays emitted from the cooking container; a control circuit configured to control an output of the heating coil; and a magnetic flux-shielding plate made of a metal plate; characterized by: a plurality of ferrite materials disposed below the heating coil so as to extend radially from a center of the heating coil; wherein the control circuit is disposed below the ferrite materials and comprises an inverter circuit (36b, 36c) operable to generate a high frequency current to be supplied to the heating coil and a semiconductor element operable to drive the inverter circuit (36b, 36c), the control circuit controlling an output of the heating coil depending on an output from the infrared sensor; a heat sink operable to cool the semiconductor element mounted thereto; wherein the magnetic flux-shielding plate is interposed between the ferrite materials and the control circuit and supports the heating coil and the ferrite materials from below, and being made of a metal plate to shield magnetic flux leakage downward from the ferrite materials; and a fan operable to convey cooling air to cool the control circuit, wherein the infrared sensor is positioned below the magnetic flux-shielding plate, and the fan conveys cooling air through a space between the magnetic flux-shielding plate and the heat sink and the fan conveys other flow of cooling air toward the infrared sensor along a lower surface of the magnetic flux-shielding plate. a main body; a top plate mounted on an upper surface of the main body to place a cooking container thereon; a heating coil disposed below the top plate to heat the cooking container; an infrared sensor disposed below the top plate to detect infrared rays emitted from the cooking container; a control circuit configured to control an output of the heating coil; and a magnetic flux-shielding plate made of a metal plate; characterized by: a plurality of ferrite materials disposed below the heating coil so as to extend radially from a center of the heating coil; wherein the control circuit is disposed below the ferrite materials and comprises an inverter circuit (36b, 36c) operable to generate a high frequency current to be supplied to the heating coil and a semiconductor element operable to drive the inverter circuit (36b, 36c), the control circuit controlling an output of the heating coil depending on an output from the infrared sensor; a heat sink operable to cool the semiconductor element mounted thereto; wherein the magnetic flux-shielding plate is interposed between the ferrite materials and the control circuit and supports the heating coil and the ferrite materials from below, and being made of a metal plate to shield magnetic flux leakage downward from the ferrite materials; and a fan operable to convey cooling air to cool the control circuit, a plurality of ferrite materials disposed below the heating coil so as to extend radially from a center of the heating coil; wherein the control circuit is disposed below the ferrite materials and comprises an inverter circuit (36b, 36c) operable to generate a high frequency current to be supplied to the heating coil and a semiconductor element operable to drive the inverter circuit (36b, 36c), the control circuit controlling an output of the heating coil depending on an output from the infrared sensor; a heat sink operable to cool the semiconductor element mounted thereto; wherein the magnetic flux-shielding plate is interposed between the ferrite materials and the control circuit and supports the heating coil and the ferrite materials from below, and being made of a metal plate to shield magnetic flux leakage downward from the ferrite materials; and a fan operable to convey cooling air to cool the control circuit, wherein the infrared sensor is positioned below the magnetic flux-shielding plate, and the fan conveys cooling air through a space between the magnetic flux-shielding plate and the heat sink and the fan conveys other flow of cooling air toward the infrared sensor along a lower surface of the magnetic flux-shielding plate.