A camera door opening/shutting apparatus for a portable terminal equipped with a camera lens capable of semi-automatically opening and shutting the camera door of a portable terminal. The apparatus has a door member having a lens hole formed therein, a camera door adapted to open and shut the lens hole, a first door cam providing the rotation axis and a trough, the first door cam extending along the periphery of the camera door and being rotatably connected to the door member, a second door cam having a crest formed thereon, which faces the trough, and being adapted to travel linearly as the first door cam is rotated, a door elastic body; and a door cover having an opening formed therein.