The invention relates to an S-line direct current permanent magnet motor, which belongs to the field of energy-saving motor development and mainly consists of a motor case, a front end cover, a back end cover, a main shaft, a magnetic signal disc, a Hall switch driver, three stators and one rotor, wherein only one S-shaped coil is arranged on each stator, the coil is formed by connecting multiple strands of S-shaped line segments through multilayer passing and winding on a stator wire groove, the positions of three stator magnetic poles are sequentially staggered by 1 / 3 pole position, each stator is one phase, the three stators are three phases, the stator magnetic poles form radial flux after the coil is electrified, in addition, the N, S, N, S ranging form is formed, rotor magnetic poles are formed by permanent magnetic bodies, in addition, the number of the magnetic poles is the same as the number of each stator magnetic pole, and the N poles and the S poles are alternately ranged. The S-line direct current permanent magnet motor has the advantages that the goals of high efficiency and energy saving can be reached through greatly reducing the copper consumption, the structure is simple, the cost is low, the manufacture is easy, and the S-line direct current permanent magnet motor can widely replace the existing motors to be applied to various fields.