with double-method output, it is quite common for the treatment to one person in many points or for two in simultaneity, which is in great need for hospitals and clinics. 　　initiating the auto frequency conversion circuit based on eight-diagram midnight-noon cycle of qi, it can effectively match the physiological conditions of human body and improve the curative effect accordingly. 　　utilizing the operation of stepless balance on output intensity, it can reach the best output effect and improve the curative effect and flexibility.