Abstract: A camera assembly may include a fixed holder; a support means; a guiding rack, arranged on the fixed holder; a guiding gear rotatably arranged on the support means and movably engaged with the guiding rack; a camera module arranged on the support means and configured to move between a first position at which the camera module extends out of the fixed holder and a second position at which the camera module retracts into the fixed holder with movement of the support means; a chain device rotatable relative to the fixed holder; and a power device comprising an output end coupled to the chain device and configured to drive the chain device to rotate, such that the camera module moves between the first position and the second position. An electronic apparatus and a method for controlling a camera assembly of an electronic apparatus are further provided.