The utility model discloses a hanger, which includes a support frame, a hanger rod, a hanger clamp and a drive assembly; the hanger rod is connected to the support frame through a rotating bearing seat; the drive assembly is connected with the hanger rod to drive the hanger rod to make Axial movement; the hanger clamp is fixed on the hanger rod and rotates with the axial movement of the hanger rod. The hanger has a simple and firm structure, can drive the clamped products to rotate, and can not only discharge the gas in the blind holes of the product in an orderly manner, but also prevent the reaction products from depositing in the blind holes, so that the internal surface treatment effect of the blind holes To be consistent with the outer surface of the product.