Multifunctional liquid spraying and drug administration combined device aiming at local part of experimental animal

The utility model provides a multifunctional liquid spraying and drug administration combined device for local parts of experimental animals. The multifunctional liquid spraying and drug administration combined device comprises a transparent cylinder, wherein extension plates are symmetrically arranged at the left end and the right end of the transparent cylinder; a supporting plate is fixed to the top of the waste liquid collecting box, and the waste liquid collecting box is connected with the extension plate through the supporting plate; the liquid medicine bottle is placed under the transparent cylinder, the communicating rod is communicated with the transparent cylinder and the liquid medicine bottle, and a spray head is installed at the top end of the transparent cylinder; the supporting rod is fixed to the connecting plate, and an adjusting piece and a spring are installed in the supporting rod; and the binding strip is connected between the supporting rods, and limiting pieces which are evenly distribu