The invention discloses a two-dimensional magnetic circuit modeling method of a single-phase cylindrical linear switched reluctance motor. All calculation formulas of each reluctance component in fivemagnetic circuits combine to form the magnetic circuit model of the single-phase cylindrical linear switched reluctance motor, wherein the five magnetic circuits include the rotor position x wherethe central line of a rotor groove is aligned with that of a stator tooth of the cylindrical linear switched reluctance motor, the rotor position w<4>/4 where the overlapping part of a rotor tooth and the stator tooth occupies a quarter of the width of the stator tooth, the rotor position w<4>/2 where the overlapping part of the rotor tooth and the stator tooth occupies a half of the width of thestator tooth, the rotor position 3*w<4>/4 where the overlapping part of the rotor tooth and the stator tooth occupies three quarters of the width of the stator tooth and the rotor position where thecentral line of the rotor tooth is aligned with that of the stator tooth; it is unnecessary to adopt a motor electromagnetic field finite element method to calculate the magnetic property of the motor, calculation is fast, rapid design, real-time simulation and real-time control of the single-phase cylindrical linear switched reluctance motor system can be achieved, and the method has good engineering application value.