Abstract: A heating assembly includes: a lower base, an upper part of the lower base being provided with two supporting parts oppositely arranged; a heating element including a heating part and electrode parts, and the heating part is made of a woven mesh, the electrode parts abut against the supporting parts; an oil-guiding cotton abutting against an upper surface of the heating part; and an upper base fastened to the upper part of the lower base to fix the heating element and the oil-guiding cotton. A manufacturing method of a heating assembly is provided, including: providing a lower base; arranging a heating element on an upper part of the lower base; arranging an oil-guiding cotton on an upper surface of the heating element; and fastening an upper base to the lower base, to fix the oil-guiding cotton and the heating element between the upper base and the lower base.