Multifunctional surveying instrument

The utility model relates to the technical field of surveying instruments, and discloses a multifunctional surveying instrument which comprises a box body, the box body is fixedly arranged in the middle of the bottom end of the inner wall of the box body, a surveying instrument body is arranged on one side of the top end of a bottom plate through an installation assembly, the installation assembly comprises an installation block, an installation groove and a rainproof assembly, and the installation block is fixedly arranged at the bottom end of the surveying instrument body. The mounting groove is formed in one side of the top end of the bottom plate, the mounting block is clamped in the mounting groove, movable grooves are formed in the two sides of the top end of the bottom plate, clamping blocks are slidably arranged in the movable grooves, and L-shaped connecting rods are fixedly arranged in the middles of one sides of the two clamping blocks. And the surveying instrument cannot be put into the instrument