The invention relates to a full inlet air top double suction type integrally stretched range hood. The range hood comprises a box and an integrally stretched body, wherein the parts such as a motor, a wind wheel, an air flue, an air outlet, a decoration cover and the like are arranged in the box; the integrally stretched body is formed by integrating a transverse cavity and a vertical cavity; the transverse cavity and the vertical cavity have a seamless integral structure which is high-grade and beautiful, has no part for storing dirt and taking filth and is convenient to wipe; a stretching base plane of the transverse cavity and a front surface of the vertical cavity form an angle beta which is more than 90 degrees but less than or equal to 125 degrees; and the stretching base plane, a back stretching side of the transverse cavity and the front surface of the vertical cavity are all provided with an air inlet. Therefore, oily fume generated in the process of cooking can be three-dimensionally sucked. The range hood of the invention is a novel beautiful and luxury range hood which has the advantages of thoroughly clearing away the oily fume generated in the process of cooking, along with convenient maintenance.