Milling machine with apron board positioning function

The invention discloses a milling machine with an apron board positioning function, and relates to the technical field of milling equipment. The milling machine comprises a milling machine head, a workbench and a positioning assembly, wherein the workbench is arranged under the milling machine head; the positioning assembly is movably installed on the workbench, the positioning assembly comprisesa bottom plate, a positioning table, a first positioning mechanism and a second positioning mechanism, the positioning table is installed at the upper end of the bottom plate, and the positioning table comprises an upper positioning surface and a front positioning surface; the first positioning mechanism comprises a first air cylinder and a top plate which are arranged in the front-back direction,and the top plate is in driving connection with the first air cylinder to position an apron board on the front positioning surface; the second positioning mechanism comprises a second air cylinder and a pressing plate which a