We have experienced 3 cases of dumb-bell tumor of the cervical spine. According to Eden's classification, there was 1 case of type 2, 1 type 3, and 1 type 4. Type 2 and type 4 cases were operated by the posterior approach. The type 3 case was operated on by both the posterior and lateral approach. Pathological diagnoses indicated pseudotumor in type 2, Schwannoma in type 3, and fibrous tissue tumor in type 4. There were no postoperative complications in all cases, but the type 3 case showed postoperative instability of the cervical spine.