A speaker module comprising a module middle housing and a static electricity removal structure; the static electricity removal structure comprises a conductive plastic member, a metal insert connected to the conductive plastic member, a conductive steel sheet and a fixing component; the module middle housing is provided with a protruding part on an outer lateral wall thereof; the metal insert and the fixing component are injection molded on the protruding part; the conductive steel sheet is connected to the metal insert with one end thereof and is connected to a first portion of an external device with the other end thereof; the conductive plastic member is fixed onto the protruding part by a secondary injection molding; the metal insert is conductively connected to the fixing component by the conductive plastic member; the speaker module is disposed at a second portion of the external device of the fixing component.