Thinning drawing tool

The utility model provides a thinning drawing tool, which comprises an upper template and a lower template, wherein the upper template is arranged on an equipment sliding block, the lower template is arranged on an equipment bottom plate, a convex die and a concave die which are corresponding to each other are respectively arranged on the upper and the lower templates, the concave die is arranged on the lower template through a concave die fixing seat, center holes of the concave die fixed seat are amplified in a three-level step-shaped structure step by step from bottom to top, the concave dies are arranged on an upper step portion, a middle step portion and the convex die are matched to store product blanks to be processed, an ejector which is used to eject produced products is arranged on a lower step portion, the inner wall of the inner hole of the concave die is of a transition structure, and the inner diameter of the transition structure is gradually bigger toward the two end surfaces of the concave die along the middle portion. The thinning drawing tool is steady in process, enables the whole work surface to achieve a mirror surface effect by strongly extruding, is long in life of the dies and high in work efficiency, and can meet the demands of volume produce.