The invention relates to an anti-electromagnetic fan-shaped silicon steel sheet. The anti-electromagnetic fan-shaped silicon steel sheet is characterized by comprising a silicon steel sheet body (1) of a fan-shaped structure; a central angle of the silicon steel sheet body (1) is 45 degrees, 60 degrees, 90 degrees or 120 degrees; a plurality of wire slots (2) are recessed inward in an inner edge of the silicon steel sheet body (1); the number of the wire slots (2) is 6-25; an outer surface of the silicon steel sheet body (1) is provided with a high-magnetic-conductive silicon-plating layer; and a surface of the silicon steel sheet is coated with an anti-electromagnetic coating. The anti-electromagnetic fan-shaped silicon steel sheet comprises the silicon steel sheet body of the fan-shaped structure, and when in use, a plurality of anti-electromagnetic fan-shaped silicon steel sheets are welded into a ring structure; waste of a lot of materials is avoided when the anti-electromagnetic fan-shaped silicon steel sheet is cut for molding, and the anti-electromagnetic fan-shaped silicon steel sheet has an anti-electromagnetic function.