Memory-alloy cervical vertebra front steel plate of bone screw type

The utility model discloses a memory-alloy cervical vertebra front steel plate of a bone screw type, and the steel plate comprises a butterfly-shaped steel plate and a bone screw. The bone screw is made of an NiTi-shaped memory alloy, wherein the recovery temperature of the NiTi-shaped memory alloy is from minus 10 DEG C to 45 DEG C. The bone screw is fixed in a bone screw hole on the butterfly-shaped steel plate, and a screw cap of the bone screw is sunken in the bone screw hole. Compared with the prior art, the steel plate changes the shape, achieves that the bone screw is locked in the butterfly-shaped steel plate, prevents the bone screw from escaping, enables an operation to be simple, is safe and reliable, is convenient to take out after the operation, has no adverse effect, is convenient to machine, and is simple in operation.