To provide a heating coil unit capable of efficient heating by making temperature distribution uniform even when pans of various shapes are placed in heating of the top surface and a grilling part of a heating cooker.SOLUTION: A coil shape of a grill is made to have a triple structure of an inner heating coil 5 which is an inside circular, a middle heating coil 6 whose outside has a rectangular shape and further an outer heating coil 7 which is an outside rectangular, thereby a shape of each coil matches with that of a portion to be heated, and efficient heating becomes possible since not only special grill plate but also circular pan, etc. are evenly grilled.SELECTED DRAWING: Figure 2
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