The invention relates to a silicon steel sheet with low processing strength. The silicon steel sheet with low processing strength comprises a circular-annular silicon steel sheet body (1), wherein twowinding legs (2) are arranged at each of two edges of an inner side of the silicon steel sheet body (1), an oval rotor space is formed between inner sides of the two legs (2), positioning grooves (3)are formed in an upper edge and a lower edge of the silicon steel sheet body (1), convex blocks (4) are arranged on the positioning grooves (3), sawtooth edges (6) are arranged on an outer circle ofthe silicon steel sheet body (1) and are virtually connected with the outer circle of the silicon steel sheet body (1), and matching edges (7) are arranged outside the sawtooth edges (6) and are engaged with the sawtooth edges (6). In the silicon steel sheet with low processing strength, no spark is generated in a gap between a rotor and a stator, and the silicon steel sheet with low processing strength is high in safety and is convenient to fabricate.