Focusing motor and mobile phone with focusing motor

The utility model provides a focusing motor and a mobile phone with the focusing motor. The focusing motor comprises a housing, a lens barrel, an iron sheet, at least one pair of magnetic steel, a coil, a pulley assembly and a lower support, wherein the iron sheet is vertically held in the lower support, the coil is held on the inner surface of the iron sheet, the outer side of the lens barrel and the inner side of the lower support are respectively equipped with guide rails which extend along the optical axis direction of the lens barrel and are arranged correspondingly, the magnetic steel is successively and separately held in the outer surface of the lens barrel along the optical axis direction of the lens barrel and is arranged separately in parallel with the coil, magnetic polarities of adjacent magnetic steel are opposite, the pulley assembly is positioned between the lens barrel and the lower support, and moves along the guide rails of the lens barrel and the lower support, and the lens barrel makes linear movement along the optical axis direction of the lens barrel when the coil is electrified. According to the utility model, the optical-axis stability of the focusing motor can be improved, and the structure is simple and convenient to assemble.