PURPOSE: To provide a connecting structure for flat cable in which a branched cable can be easily connected in any position, the working property is enhanced, and the manufacturing cost can be also suppressed.

CONSTITUTION: In a connecting structure for a flat cable 7, an insulating cover 11 is provided around conductors 10... in one flat cable 7, and conductors 16... of the other cable 15 are continued to the conductors 10 of the one flat cable 7. The conductors 10... in the one flat cable 7 have insert grooves 10c laid along the extending direction of the conductors, and the conductors 16 of the other cable 15 have edge terminals 18 as insert parts which are inserted and continued to the insert grooves 10c, breaking through the insulating cover 11 of the one flat cable 7.