Spinal fusion cage system

The utility model provides a vertebral fusion cage system, and relates to the technical field of medical instruments. The spine fusion cage system comprises a horseshoe-shaped main body, a stop blockand a limiting mechanism, wherein the horseshoe-shaped main body comprises a first side plate, a second side plate and a bottom plate; the first side plate and the second side plate are oppositely arranged and are connected with each other through the bottom plate; the horseshoe-shaped main body can be elastically deformed, so that the distance between the free end of the first side plate and thefree end of the second side plate is changed; the free end of the first side plate and the free end of the second side plate are both connected with the stop block; and the limiting mechanism is arranged on the stop block and/or the horseshoe-shaped main body and used for limiting the horseshoe-shaped main body from being separated from the stop block. According to the spine fusion cage system, the horseshoe-shaped main bo