To obtain a connector for a flat circuit body in which the flat circuit body of a fine pitch and the connector or the mutual flat circuit bodies can be connected accurately and stably.

This is provided with the crimp piece base part 9A in which a piece of a crimp piece 9 is installed or a plurality of crimp pieces 9 are arranged in a row, and a receiving groove plate 19 having a receiving groove 18 to receive the crimp piece 9 which is penetrated through the circuit conductor of the flat circuit body.