Double-side ruler with compass

The invention relates to a double-side ruler with a compass and belongs to the field of manufacturing of school supplies. The double-side ruler with the compass comprises an obverse ruler body, obverse ruler scale marks, the compass, a storage interlayer, a blade, a reverse ruler body, reverse ruler scale marks, a calculator, a magnifying lens and a small electric lamp, wherein the compass is arranged on the obverse ruler body of the double-side ruler with the compass; a chute is formed in the right side of the compass; a sliding block is arranged inside the chute; the blade is fixed to the sliding block and stretches out and draws back left and right along with the sliding block; the obverse ruler scale marks are arranged on the obverse ruler body; the reverse ruler body is provided with the calculator, the magnifying lens and the small electric lamp; the reverse ruler scale marks are arranged on the reverse ruler body; the storage interlayer is arranged inside the ruler formed by the obverse ruler body, the reverse ruler body and the bottom face of the ruler. The double-side ruler has multiple functions, is convenient to use at dark and attractive in placement, achieves the multifunctional effect with low cost, is compact in structure and has good market benefits.