The invention relates to a manufacturing device, in particular to a manufacturing device for an automobile brake pad. The invention aims to solve the technical problem of providing the manufacturing device for the automobile brake pad, through the manufacturing device, silicon oxide powder and silicon nitride can be subjected to crushing and mixing at the same time. In order to solve the above technical problem, the manufacturing device for an automobile brake pad, provided by the invention, comprises a mixing box, a first baffle, first connecting rods, a cylindrical filter screen frame, a first bearing support, a first rotating rod, a stirring rod, a rotating mechanism, a second rotating rod and the like, wherein the first baffle is connected to the bottom of the mixing box in a rotating manner; the mixing box is in bolt connection to the right part of the first baffle plate; and the first connecting rods are respectively connected to the left side and the right side of the upper part in the mixing box. According to the manufacturing device disclosed by the invention, firstly, the rotating mechanism is arranged, so that the silicon oxide powder and the silicon nitride are crushed by the reciprocating rotation of a cylindrical millstone driven by the rotating mechanism.