According to the use of motor by use can be divided into driving power consumption motivation and control power motives. Drive motor is divided into electric tools (including drilling, polishing, grinding, slotting, cutting, reaming and other tools) electric motives, home appliances (including washing machines, electric fans, refrigerators, air conditioners, recorders, video recorders, DVD players, vacuum cleaners, cameras, hair dryers, Electric shaver, etc.) motor and other general-purpose small mechanical equipment (including a variety of small machine tools, small machinery, medical equipment, electronic equipment, etc.) motive for electricity consumption. The control motor is divided into stepper motor and servo motor.