Measuring leveling instrument suitable for being used under field condition

The utility model belongs to a measuring level ruler suitable for field conditions, which comprises a first level tube, a second level tube and a right ruler rod, one end of the right ruler rod is connected with one end of a left ruler rod through a shaft hinge, and a left bolt rod and a right bolt rod are correspondingly arranged on the upper portions of the front sides or the rear sides of the left ruler rod and the right ruler rod respectively. Internal threaded holes are formed in the middle parts of the lower ends of the right ruler rod and the left ruler rod, connecting screw rods in threaded connection with the internal threaded holes are arranged in the middle parts of the upper ends of the screw seats, and the lower ends of the screw seats are coupled with universal wheels or fixedly connected conical bottom feet; one side face of the positioning filler gauge plate is an inclined face inclining from top to bottom, scale marks are marked on the inclined face to form a wedge-shaped filler gauge, and a