The present invention discloses a multifunctional device for assembly and test of wire-control earphone, belonging to the technical field of assembly and test device of electronic products, comprising an operating platform, and a wire-control component region and a wire slot are provided on the upper surface of the operating platform, the assembly of wire-control earphone can be achieved by the operating platform; and touch control holes are provided in the wire-control component region, the touch control holes are in one-to-one correspondence with rods, each of the rods has a touch control end and an operating end, a socket is provided on the operating platform, the socket is connected to a circuit board, a signal transmitting elastic sheet is provided on the circuit board, and after an earphone plug is inserted into the socket, by pressing the operating end of the rod, the touch control terminal comes into contact with the contact point on the wire-control earphone, then through the signal transmitting elastic sheet on the circuit board, a signal is transmitted to an outer test device, thereby the test of the wire-control earphone is completed. The examples of the present invention can achieve the assembly and test of wire-control earphone, and achieve the universality of work device between different work stations, thus improve production efficiency greatly.