A camera module includes a fixed member, a movable member, a lens unit and a driving member. A top surface of the fixed member is provided with a through hole, and is a step surface and includes first and second sub-top-surfaces mutually connected, and the first sub-top-surface is inclined with respect to the second sub-top-surface and defines a notch together with the second sub-top-surface. The movable member is accommodated in the fixed member and corresponds to the through hole. The lens unit is accommodated in the movable member and corresponds to the through hole. The driving member is provided in the fixed member and located at a side of the fixed member away from the notch, and configured to drive the movable member to lead the lens unit to move along an optical axis of the lens unit. The present disclosure further discloses an electronic device.