Range hood

The utility model discloses a range hood, which belongs to the technical field of household appliances and is designed for solving the problems of poor gas flowing property and the like of the existing range hood. The range hood provided by the utility model comprises the volute, the air outlet end of the volute comprises the diffusion surface and the volute tongue, and the volute is obliquely arranged after rotating around the axis of the air inlet by a set angle, so that the horizontal distance between the volute tongue and the vertical tangent line of the air inlet is increased. According to the range hood provided by the utility model, the volute rotates around the axis of the air inlet by a set angle and then is obliquely arranged, so that the horizontal distance from the bottom of the volute tongue to the vertical tangent line on the left side of the air inlet is widened, the range of an outflow area of a fluid domain is enlarged, the flowability is favorably improved, and efficient air outlet is realiz