To obtain a range hood allowing the inside of the hood and a multiblade fan casing to be washed.

Air intake faces 3 on the right and left sides of the double multiblade fan casing are removed, the upper center 7 of the hood 6 is moved inward of the hood 6 in a shape for containing the double multiblade fan casing, cleaning openings and cleaning opening covers 9 are provided on the right and left sides of the moved hood 6, the double multiblade fan casing is contained in the moved space, a conical oil grid is provided at the upper part of a multiblade fan casing hood, and the hood and the multiblade fan casing are openable from and closable to the conical oil grid by a hinge, so that the inner side of an exhaust duct can be cleaned easily.