Cylindrical stiff paper template

The utility model discloses a cylindrical stiff paper template, and relates to the field of template engineering. The cylindrical stiff paper template comprises three layers, namely a stiff paper template structure layer, an inner wall protection layer and an outer wall protection layer, wherein the inner wall protection layer is attached on the inner wall of the stiff paper template structure layer; the outer wall protection layer is attached on the outer wall of the stiff paper template structure layer; the paper surface of the inner wall protection layer is covered with a waterproof film; and the stiff paper template structure layer is in a polygonal shape such as an L shape, a regular hexagonal shape, a T shape, a quadrilateral shape or an octagonal shape. The cylindrical paper template is good in integrity, keeps not deformed due to toroidal stress under a concrete pouring side pressure, and is light in weight, convenient to use, strong in operability, recyclable and cost-saving.