An electronic device according to various embodiments of the present invention comprises: a housing; at least one camera disposed inside the housing; at least one door unit disposed between the housing and a lens of the at least one camera and a driving unit configured to slide the door unit such that the lens of the at least one camera can open/close, wherein the driving unit can comprise a linear actuator moving linearly by applying a voltage. Other embodiments in addition to the various embodiments of the present invention are possible.