A camera lens mounting device of a folder-type telephone is disclosed. In the folder-type telephone including a body housing, a folder, and hinge means for rotatably connecting the body housing to the folder, the camera lens mounting device comprises hinge arms and a guide arm, which are integrally formed on a hinge axis of the body housing, and a camera lens assembly installed between the guide arm and one of the hinge arms so that a camera lens housing rotates within a designated angle, and the camera lens housing includes a camera lens assembly, a connector, and a rotating handle grip.