The invention discloses a multifunctional plastic posting queen bee cage which comprises a box body and a bottom plate, wherein the box body is divided into two chambers by a baffle plate with a notch; the chamber A is a refined sugar storing chamber, and the chamber B is a queen bee and accompanying worker bee chamber; one side of the chamber A, which is opposite to the baffle plate, is provided with a queen bee hole and a worker bee hole, and the hole diameter of the queen bee hole is larger than that of the worker bee hole; both side walls and the top surface of the chamber B are respectively provided with ventilating passages; both side walls of the box body are provided with side grooves for inserting the bottom plate; the bottom plate is connected with the side grooves of the box body slidably and provided with ventilating holes, and four corners of the bottom plate are respectively provided with positioning columns; and the top surface of the box body is provided with positioning holes which are matched and inserted into the positioning columns. The multifunctional plastic posting queen bee cage simultaneously has various purposes of posting queen bees, caging the queen bees, killing bees, introducing the queen bees, and the like, has good ventilation, can lead a plurality of queen bee cages to be overlaid together in order and solve the problem of simultaneously posting a plurality of queen bees.