A cooking device according to the present disclosure comprises: a heating chamber configured to accommodate an object-to-be-heated; a circulation fan configured to suck air in the heating chamber and blow the sucked air into the heating chamber; a heating chamber internal flow path forming unit disposed inside the heating chamber and configured to define the flow rate and the blowing direction of the air blown into the heating chamber by the circulation fan; and an internal temperature sensor disposed in a circulation path of the air and provided in a predetermined region distant from the heating chamber internal flow path forming unit, the circulation path being formed inside the heating chamber by the heating chamber internal flow path forming unit.