Camera telescoping mechanism and mobile terminal

Relates to the technical field of mobile communication, and provides a camera telescoping mechanism and a mobile terminal, the camera telescoping mechanism comprises a movable block used for placing a camera, the movable block is located in a containing cavity in the inner side of a shell in a normal state, and a transmission lead screw is arranged on the bottom surface of the inner side of the containing cavity in a penetrating mode; the bottom end of the transmission lead screw is in transmission connection with a driving part on the bottom face of the containing cavity, the upper portion of the transmission lead screw extends to the movable block and is in threaded fit with the movable block, limiting guide rods are symmetrically arranged on the bottom face of the inner side of the containing cavity relative to the transmission lead screw, and the limiting guide rods extend into the movable block. And a limiting part at the top end of the limiting guide rod is in sliding fit with a limiting cavity channel