Tibia fractures are frequently occurred with increased traffic accident and industrial accident recently. And there are controversies in treatment of tibia fractures. From Jan. 1986 to Oct. 1988, tibial fractures of 107 cases in 105 patient, treated at the Department of Orthopedic Surgery of Dae Han Hospital, were analyzed. Results were obtained as follows. l. Of 105 patients, 85 patients were male & 20 patients were female. 2. The most common causes of fracture was traffic accident. 3. The most common level of fracture was middle one-third of tibial shaft. 4. Of 107 cases, conservative treatment was 35 cases and operative treatment in 72 cases. 5. Average union time was 16 weeks in conservative treatment & 18.5 weeks in operative treatment.