The present invention discloses a flexible flat cable connector fixing structure. The flexible flat cable connector fixing structure comprises a flexible flat cable and a first connector. The flexible flat cable comprises a wrapping portion positioned on one end of the flexible flat cable. The first connector is connected to an end of the flexible flat cable, and the first connector comprises: contacts, a first slot, and a first circuit board. The first slot comprises passageways for placing the contacts. The first circuit board is fixed with a back of the first slot, and the first circuit board comprises conducting portions, for being conductively fixed with the contacts, and conducting parts, positioned on a front of the first circuit board, for being electrically connected to the flexible flat cable. The wrapping portion wraps the first circuit board to fix the flexible flat cable on the first connector.