The invention belongs to the technical field of milling cutter clamping equipment, and particularly relates to milling cutter clamping equipment for manufacturing precision machinery. Aimed at the technical problems that the installation of a milling cutter is not convenient, the enhancement effect of the installation stability of the milling cutter is not obvious, and only one kind of milling cutter can be installed on each clamping seat, now the following scheme is provided, and the milling cutter clamping equipment comprises the clamping seat and the milling cutter. The clamping seat is of a rectangular structure, a clamping groove is formed in the central position of the bottom of the clamping seat, and the clamping groove is of a cylindrical structure; and a mounting seat is welded on the central position of the inner wall of the top of the clamping groove, a rectangular placing groove is formed in the central position of the bottom of the mounting seat, and a pentagonal clamping groove is formed in the central position of the inner wall of the top of the rectangular placing groove. According to the milling cutter clamping equipment for manufacturing the precision machinery, the positioning of the milling cutter is accurate, installation and disassembly of the milling cutter on the milling cutter clamping equipment are convenient, milling cutters with different diameters can be installed in the mounting seat on the inner wall of the top of the clamping groove, and in addition, the installation stability of the milling cutter is also enhanced greatly.