A lens module, comprising: a mounting bracket having an accommodating space and a lens hole in communication with the accommodating space; a lens component mounted in the accommodating space of the mounting bracket and having an optical axis parallel to an axis of the lens hole; a blade assembly movably connected to the mounting bracket and provided with at least two apertures of different diameters, each aperture having an axis that is parallel to the optical axis of the lens component; a driving assembly connected to the blade assembly and configured to drive the blade assembly so that the axis of one of the two apertures to is interchangeably aligned with the optical axis of the lens component, wherein the driving assembly further comprises a driving set mounted to the mounting bracket and a movable set slidably coupled to the mounting bracket, the blade assembly is movably coupled to the movable set, and the movable set slides along the mounting bracket and drives the blade assembly to rotate under a driving force of the driving set; the driving set further comprises a first driving member that is mounted to the mounting bracket, and the movable set further comprises a first movable member; the mounting bracket is provided with at least one sliding groove on a peripheral wall of the mounting bracket, and the at least one sliding groove extends along a peripheral direction of the mounting bracket; characterized in that the first driving member further comprises a first electromagnet and a second electromagnet arranged oppositely one another, wherein the first electromagnet and the second electromagnet are arranged at two ends of the sliding groove in an extension direction of the sliding groove, at least a part of the first movable member is located between the first electromagnet and the second electromagnet, and the first movable member slides along the sliding groove of the mounting bracket under a magnetic force of the first electromagnet or the second electromagnet. a mounting bracket having an accommodating space and a lens hole in communication with the accommodating space; a lens component mounted in the accommodating space of the mounting bracket and having an optical axis parallel to an axis of the lens hole; a blade assembly movably connected to the mounting bracket and provided with at least two apertures of different diameters, each aperture having an axis that is parallel to the optical axis of the lens component; a driving assembly connected to the blade assembly and configured to drive the blade assembly so that the axis of one of the two apertures to is interchangeably aligned with the optical axis of the lens component, wherein the driving assembly further comprises a driving set mounted to the mounting bracket and a movable set slidably coupled to the mounting bracket, the blade assembly is movably coupled to the movable set, and the movable set slides along the mounting bracket and drives the blade assembly to rotate under a driving force of the driving set; the driving set further comprises a first driving member that is mounted to the mounting bracket, and the movable set further comprises a first movable member; the mounting bracket is provided with at least one sliding groove on a peripheral wall of the mounting bracket, and the at least one sliding groove extends along a peripheral direction of the mounting bracket; characterized in that the first driving member further comprises a first electromagnet and a second electromagnet arranged oppositely one another, wherein the first electromagnet and the second electromagnet are arranged at two ends of the sliding groove in an extension direction of the sliding groove, at least a part of the first movable member is located between the first electromagnet and the second electromagnet, and the first movable member slides along the sliding groove of the mounting bracket under a magnetic force of the first electromagnet or the second electromagnet.