The invention relates to a voice coil motor, comprising a moving loaded barrel and a fixed loaded group, wherein the moving loaded barrel is provided with openings on the two ends and is wound by a coil around the outer wall; the fixed loaded group comprises a fixed body and at least one magnet which is arranged on the fixed body; the fixed body is provided with side walls and a base plate which is molded in one body with the side walls; an accommodation cavity is surrounded by the side walls and the base plate; the accommodation cavity is used for accommodating the moving loaded barrel; at least two location columns are arranged on the end part of the moving loaded barrel corresponding to the base plate; and the location columns are connected to the base plate of the fixed body in a propped manner. The base plate of the fixed body is provided with a groove, wherein the groove is provided with a back surface with a through hole in the middle; the location columns of the moving loaded barrel are connected to the back surface of the groove.