A camera assembly, comprising: a driver configured to output a steering driving force; a first transmission configured to convert the steering driving force into a linear driving force along a rotating axis direction and to transfer the steering driving force; a camera module comprising cameras (331, 332, 333) and capable of cooperating with the linear driving force to reciprocate linearly along the rotating axis direction, and capable of cooperating with the steering driving force to rotate; a movement connector configured to make the camera module cooperate with the linear driving force to reciprocate linearly along the rotating axis direction, and configured to prevent cooperation between the camera module and the linear driving force when the camera module rotates; and a rotation connector configured to make the camera module cooperate with the steering driving force to rotate, and configured to prevent cooperation between the camera module and the steering driving force when the camera module reciprocates linearly along the rotating axis direction, wherein the first transmission comprises a first output member configured to output the linear driving force, the movement connector comprises: a first fitting part fixedly connected to the camera module; and a second fitting part fixedly connected to the first output member and capable of being connected with or disconnected from the first fitting part, wherein when the first fitting part is connected with the second fitting part, the movement connector is used to make the camera module cooperate with the linear driving force, and when the first fitting part is disconnected from the second fitting part, the movement connector is used to prevent the camera module from cooperating with the linear driving force, characterized in that one of the first fitting part and the second fitting part is a permanent magnet, and the other one is an electromagnet; or the first fitting part and the second fitting part are both electromagnets. a driver configured to output a steering driving force; a first transmission configured to convert the steering driving force into a linear driving force along a rotating axis direction and to transfer the steering driving force; a camera module comprising cameras (331, 332, 333) and capable of cooperating with the linear driving force to reciprocate linearly along the rotating axis direction, and capable of cooperating with the steering driving force to rotate; a movement connector configured to make the camera module cooperate with the linear driving force to reciprocate linearly along the rotating axis direction, and configured to prevent cooperation between the camera module and the linear driving force when the camera module rotates; and a rotation connector configured to make the camera module cooperate with the steering driving force to rotate, and configured to prevent cooperation between the camera module and the steering driving force when the camera module reciprocates linearly along the rotating axis direction, wherein the first transmission comprises a first output member configured to output the linear driving force, the movement connector comprises: a first fitting part fixedly connected to the camera module; and a second fitting part fixedly connected to the first output member and capable of being connected with or disconnected from the first fitting part, wherein when the first fitting part is connected with the second fitting part, the movement connector is used to make the camera module cooperate with the linear driving force, and when the first fitting part is disconnected from the second fitting part, the movement connector is used to prevent the camera module from cooperating with the linear driving force, characterized in that one of the first fitting part and the second fitting part is a permanent magnet, and the other one is an electromagnet; or the first fitting part and the second fitting part are both electromagnets.