A cable assembly, comprises at least one connector defining a mating portion; a cable electrically connected to the connector; and a dustproof cover module attached to the cable. The dustproof cover module comprises at least one dustproof cover for covering the mating portion of the connector and a carrier comprising a base portion having at least one receiving room therein and a tie extending from a rear surface of the base portion. The dustproof cover is received into the receiving room, the tie engages with the base portion to make the carrier surrounding the cable and holding the dustproof cover positioned in the base portion of the carrier.