An induction cooking system, comprising: a top plate (B, 21) being made of a material that allows penetration of light; a plurality of adjoining heating coils being provided under the top plate (B, 21), the heating coils performing induction heating a heated object placed on the top plate (B, 21); inverter circuits supplying high-frequency current to each of the heating coils; an operating unit for performing an input operation of a command related to heating control of the heated object; an individual light emitting unit being provided in a vicinity of an outer circumference of each coil, each individual light emitting unit displaying a heating area of a single heating coil; a wide area light emitting unit displaying a heating area to be cooperatively heated by two or more coils that have different center locations and that are adjoining each other; a placement-of-heated-object determination unit detecting a state in which a same single heated object is placed on the two or more coils that have different center locations and that are adjoining each other; an energization control circuit being input with an operating signal from the operating unit and detection information from the placement-of-heated-object determination unit, the energization control circuit controlling an emitting and lighting state of the individual light emitting units and the wide area light emitting unit and controlling output of the inverter circuits; and a power switch supplying power to the energization control circuit, wherein the energization control circuit emits and lights all of the individual light emitting units and the wide area light emitting unit at the same time or in sequence as an awaiting state when in a stage in which the power switch is turned on and before a predetermined heating start command or a command specifying a heat source to be used is received from the operating unit by a user operation, in a state in which a heating start command from the operating unit has been received and a single heated object is heated by a single one of the heating coils, the individual light emitting unit provided in the vicinity of the outer circumference of the relevant heating coil is set to an emitting and lighting state changed from the awaiting state, and when the placement-of-heated-object determination unit determines a state in which a same heated object is placed on two or more adjoining heating coils, the adjoining the two or more heating coils below the heated object are cooperatively driven for heating and the wide area light emitting unit provided so as to surround the cooperative heating area is set to an emitting and lighting state changed from the awaiting state. a top plate (B, 21) being made of a material that allows penetration of light; a plurality of adjoining heating coils being provided under the top plate (B, 21), the heating coils performing induction heating a heated object placed on the top plate (B, 21); inverter circuits supplying high-frequency current to each of the heating coils; an operating unit for performing an input operation of a command related to heating control of the heated object; an individual light emitting unit being provided in a vicinity of an outer circumference of each coil, each individual light emitting unit displaying a heating area of a single heating coil; a wide area light emitting unit displaying a heating area to be cooperatively heated by two or more coils that have different center locations and that are adjoining each other; a placement-of-heated-object determination unit detecting a state in which a same single heated object is placed on the two or more coils that have different center locations and that are adjoining each other; an energization control circuit being input with an operating signal from the operating unit and detection information from the placement-of-heated-object determination unit, the energization control circuit controlling an emitting and lighting state of the individual light emitting units and the wide area light emitting unit and controlling output of the inverter circuits; and a power switch supplying power to the energization control circuit, wherein the energization control circuit emits and lights all of the individual light emitting units and the wide area light emitting unit at the same time or in sequence as an awaiting state when in a stage in which the power switch is turned on and before a predetermined heating start command or a command specifying a heat source to be used is received from the operating unit by a user operation, in a state in which a heating start command from the operating unit has been received and a single heated object is heated by a single one of the heating coils, the individual light emitting unit provided in the vicinity of the outer circumference of the relevant heating coil is set to an emitting and lighting state changed from the awaiting state, and when the placement-of-heated-object determination unit determines a state in which a same heated object is placed on two or more adjoining heating coils, the adjoining the two or more heating coils below the heated object are cooperatively driven for heating and the wide area light emitting unit provided so as to surround the cooperative heating area is set to an emitting and lighting state changed from the awaiting state.