Sample plate scribing device

The utility model discloses a template scribing device which comprises a horizontal bottom plate, a transverse sliding rail and a longitudinal sliding rail which are distributed in a cross shape are arranged on the bottom plate close to the edge, vertical rods are arranged in the transverse sliding rail and the longitudinal sliding rail in a sliding mode, sliding sleeves are arranged on the vertical rods, horizontal measuring rulers are arranged on the sliding sleeves, and the measuring rulers are arranged on the horizontal measuring rulers. A wire groove is formed in the bottom of the end, away from the vertical rod, of the measuring ruler, an annular elastic rope is arranged in the wire groove, a plurality of clamping grooves are evenly distributed in the vertical rod, the other end of the annular elastic rope is clamped in the clamping grooves, and locking mechanisms are arranged on the other two sides, away from the transverse sliding rail and the longitudinal sliding rail, of the bottom plate. And the lo