A card fixing module for fixing a card is provided. The card fixing module comprises a housing, a card holder and an elastic element. The housing comprises an opening and a through hole, wherein the through hole corresponds to the opening. The card holder comprises a body portion, an abutting portion and a post, wherein the abutting portion is connected to the body portion, the post is connected to the body portion, the post passes through the through hole, the card holder is moved between a first position and a second position, and wherein when the card holder is in the first position, the abutting portion abuts the housing, and the card is received in the housing. The elastic element is telescoped on the post, an end of the elastic element contacts the housing, and the other end of the elastic element contacts the body portion, wherein the elastic element applies an elastic force to the card holder to move the card holder from the first position to the second position to push the card out of the opening.