An induction heating device comprising: a top panel on which a load is placed; a plurality of heating coils (3, 31, 32, 33, 34, A1, A2, B1, B2) provided below the top panel; a driver configured to supply a high frequency power to the plurality of heating coils (3, 31, 32, 33, 34, A1, A2, B1, B2); an electric signal detector (13, 14) configured to detect an electric signal relating to an element included in the driver; a switching unit configured to connect or disconnect each of the plurality of heating coils to or from the driver; and a controller configured to receive the electric signal and control the driver and the switching unit, wherein the controller controls the driver and the switching unit such that a detection current which is the high frequency power is supplied to all of the plurality of heating coils (3, 31, 32, 33, 34, A1, A2, B1, B2), and determines whether the load is placed above at least one of the plurality of heating coils (3, 31, 32, 33, 34, A1, A2, B1, B2) based on the electric signal in response to the detection current, characterized in that the controller is configured to control the driver and the switching unit such that the detection current is sequentially and independently supplied to each of the plurality of heating coils (3, 31, 32, 33, 34, A1, A2, B1, B2) and determine for each of the plurality of heating coils (3, 31, 32, 33, 34, A1, A2, B1, B2) whether the load is placed above the heating coil, when determining that the load is placed above at least one of the plurality of heating coils (3, 31, 32, 33, 34, A1, A2, B1, B2), the controller is configured to cause the switching unit to disconnect, from the driver, a heating coil above which the controller determines that the load is not placed from among the plurality of heating coils (3, 31, 32, 33, 34, A1, A2, B1, B2), and the controller is configured to cause the switching unit to connect all of the heating coils (3, 31, 32, 33, 34, A1, A2, B1, B2) to the driver after the determination for each of the plurality of heating coils (3, 31, 32, 33, 34, A1, A2, B1, B2) is performed. a top panel on which a load is placed; a plurality of heating coils (3, 31, 32, 33, 34, A1, A2, B1, B2) provided below the top panel; a driver configured to supply a high frequency power to the plurality of heating coils (3, 31, 32, 33, 34, A1, A2, B1, B2); an electric signal detector (13, 14) configured to detect an electric signal relating to an element included in the driver; a switching unit configured to connect or disconnect each of the plurality of heating coils to or from the driver; and a controller configured to receive the electric signal and control the driver and the switching unit, wherein the controller controls the driver and the switching unit such that a detection current which is the high frequency power is supplied to all of the plurality of heating coils (3, 31, 32, 33, 34, A1, A2, B1, B2), and determines whether the load is placed above at least one of the plurality of heating coils (3, 31, 32, 33, 34, A1, A2, B1, B2) based on the electric signal in response to the detection current, characterized in that the controller is configured to control the driver and the switching unit such that the detection current is sequentially and independently supplied to each of the plurality of heating coils (3, 31, 32, 33, 34, A1, A2, B1, B2) and determine for each of the plurality of heating coils (3, 31, 32, 33, 34, A1, A2, B1, B2) whether the load is placed above the heating coil, when determining that the load is placed above at least one of the plurality of heating coils (3, 31, 32, 33, 34, A1, A2, B1, B2), the controller is configured to cause the switching unit to disconnect, from the driver, a heating coil above which the controller determines that the load is not placed from among the plurality of heating coils (3, 31, 32, 33, 34, A1, A2, B1, B2), and the controller is configured to cause the switching unit to connect all of the heating coils (3, 31, 32, 33, 34, A1, A2, B1, B2) to the driver after the determination for each of the plurality of heating coils (3, 31, 32, 33, 34, A1, A2, B1, B2) is performed.