PROBLEM TO BE SOLVED: To provide an inspection method of a rolling device component capable of accurately inspecting whether a defect such as a ground flaw exists inside the rolling device component without being affected by a foreign substance adhering to a surface of the rolling device component. SOLUTION: A foreign substance removing member 17 is lightly butted on the surface of the rolling device component in inspecting whether a defect such as a ground flaw exists inside the rolling device component with an electromagnetic induction sensor 11, and the existence of the defect is inspected while the foreign substance 19 adhering to the surface of the rolling device component is removed in front of the electromagnetic induction sensor 11 by the foreign substance removing member 17. COPYRIGHT: (C)2008,JPO&INPIT