An operating system for use in an implant delivery system, the operating system comprising a housing and a trigger, the housing defining an internal cavity in which part of the trigger is movably disposed, the trigger comprising a withdrawal lock, a cutting lock and a cutting and pushing mechanism, the cutting and pushing mechanism configured to cut off a connecting element from an implant delivered by the implant delivery system, the operating system having an initial configuration, the trigger configured so that, in the initial configuration, the withdrawal lock is locked and locks the cutting lock, the cutting lock locks the cutting and pushing mechanism, and that when the withdrawal lock is unlocked, the withdrawal lock releases the locked cutting lock under the action of an external force, followed by the cutting lock releasing the locked cutting and pushing mechanism under the action of an external force, wherein: the trigger further comprises a limiting mechanism, a release member and a transmission member, the release member is rotatably disposed in the internal cavity, the transmission member is movably disposed in the internal cavity and is connected to the withdrawal lock, characterised in that: the limiting mechanism is configured to lock the withdrawal lock in the initial configuration, the release member is configured to, when rotated in a first direction over a predetermined angle under the action of an external force, urge the limiting mechanism to deform, thereby releasing the locked withdrawal lock, followed by the withdrawal lock releasing the locked cutting lock under the action of an external force and simultaneously driving movement of the transmission member, the transmission member further drives the release member to rotate in a second direction opposite to the first direction. the operating system having an initial configuration, the trigger configured so that, in the initial configuration, the withdrawal lock is locked and locks the cutting lock, the cutting lock locks the cutting and pushing mechanism, and that when the withdrawal lock is unlocked, the withdrawal lock releases the locked cutting lock under the action of an external force, followed by the cutting lock releasing the locked cutting and pushing mechanism under the action of an external force, wherein: the trigger further comprises a limiting mechanism, a release member and a transmission member, the release member is rotatably disposed in the internal cavity, the transmission member is movably disposed in the internal cavity and is connected to the withdrawal lock, characterised in that: the limiting mechanism is configured to lock the withdrawal lock in the initial configuration, the release member is configured to, when rotated in a first direction over a predetermined angle under the action of an external force, urge the limiting mechanism to deform, thereby releasing the locked withdrawal lock, followed by the withdrawal lock releasing the locked cutting lock under the action of an external force and simultaneously driving movement of the transmission member, the transmission member further drives the release member to rotate in a second direction opposite to the first direction. the trigger further comprises a limiting mechanism, a release member and a transmission member, the release member is rotatably disposed in the internal cavity, the transmission member is movably disposed in the internal cavity and is connected to the withdrawal lock, characterised in that: the limiting mechanism is configured to lock the withdrawal lock in the initial configuration, the release member is configured to, when rotated in a first direction over a predetermined angle under the action of an external force, urge the limiting mechanism to deform, thereby releasing the locked withdrawal lock, followed by the withdrawal lock releasing the locked cutting lock under the action of an external force and simultaneously driving movement of the transmission member, the transmission member further drives the release member to rotate in a second direction opposite to the first direction.