Engineering cost surveying and mapping instrument

The utility model relates to the technical field of surveying instruments, in particular to an engineering cost surveying instrument which comprises an instrument body, a mounting frame is fixedly mounted at the bottom of the instrument body, a surveying instrument body is rotatably connected to the surface of the instrument body, a display screen is fixedly connected to the surface of the surveying instrument body, and a limiting structure is arranged on the surface of the instrument body. The limiting structure comprises two supporting plates, the surfaces of the two supporting plates are fixedly connected with the instrument body, the upper ends of the supporting plates are fixedly connected with inserting blocks, the surfaces of the two inserting blocks are slidably sleeved with positioning plates, the surfaces of the positioning plates are slidably sleeved with two adjusting frames, and extrusion rods are slidably inserted into the adjusting frames. According to the surveying and mapping instrument, the