A mounting apparatus for an expansion card (30) includes a computer panel (12), a bracket (14) mounted to the computer panel, and a card holder (20) mounted to the bracket. At least a post (1416) is formed on the bracket. The card holder includes a body (22) glidingly mounted to the bracket for installing the expansion card and a handle (24) resisted by the post of the bracket for preventing the body from sliding out so as to fix the card holder in position.