Customized earphone fixing frame, assembly equipment and assembly method, the customized earphone fixing frame includes a fixing frame body, and the fixing frame body includes a fixing frame base, a frame body, an inner hexagonal screw, and a rubber sleeve. The custom earphone assembly equipment used to assemble the custom earphone holder and assemble the custom earphones includes a transfer unit and an assembly unit. The assembly unit includes a conveyor belt mechanism. The transmission direction of the conveyor belt mechanism is sequentially provided with a speaker installation mechanism, a frame body assembly mechanism, and an inner hexagon screw assembly. Mechanism, rubber sleeve assembly mechanism. The custom earphone assembly method using the custom earphone assembly equipment includes printing the base of the fixing frame, placing the plastic cavity, placing the speaker, installing the frame, installing the hexagonal screws, installing the rubber sleeve, installing the custom cover and the base, and other steps. The invention can separate the control points that must be manually completed and the control points that can be completed automatically in the assembly of customized earphones, saving manpower, improving work efficiency, and reducing costs. The customized earphone fixing frame has a simple structure and simple assembly steps.