A cover latching mechanism is provided including a base member, a cover member, and a button assembly. The cover member includes a latching hook. The button assembly includes a latching jaw and two elastic resisting arms. The latching hook and the latching jaw interlatch with each other when the cover member latches to the housing member. The elastic resisting arms are secured to the housing member and restore the button assembly back to its original position when releasing the latching of the latching hook and the latching jaw.