The utility model provides a precision level measuring scale pad. The level measuring scale pad consists of a horizontal pad with a smooth surface and a supporting rod which is arranged below the horizontal pad, wherein the supporting rod is fixedly arranged at a central position of the horizontal pad; a conical head is arranged at the bottom of the supporting rod; a magnet block is embedded in the upper part of the horizontal pad; and the upper surface of the magnet block is a horizontal plane with a smooth surface and is positioned in the same plane with the upper surface of the horizontal pad. A magnet is embedded above the horizontal pad, the bottom of a leveling rod is strongly attracted, the precision level measuring scale pad is convenient to carry and convenient in outdoor operation, the tip of the bottom of the scale pad can completely reach the bottom of a concave center of the leveling point, and the level measurement precision is greatly improved.