The Cervical Spine Screw System is desgned with occipital plate, transconnector, lamina hook, parallelled connector, two fixation systems. And the whole system is highly flexible, with greater adjustability andhigher safety, convenient for surgeon to complete occipitocervical fixation and occipitocervical fusion, focusing on curing degenerative disc disease, rheumatoid arthritis, deformity, trauma, tumor and infection.