Multiple permanent magnet motor pumping unit signifies a complete change of traditional beam pumping in design thought. It is a single pipe tower structure, and mainly composed of multiple permanent magnet motor, engine mount and frequency conversion control device. Multiple permanent magnet motor is the hardcore of the whole unit. It's installed on the top of tower platform, with a special belt as a transmission medium. Stroke and frequency of stroke can be adjusted infinitely in the allowed. This new motor has the outstanding features of high torque, low speed, high efficiency, low noise, long life, etc.