Authors reviewed and clinically analysed 34 cases of trasometatarsal joint injury treated at the Orthopedic department of Pusan National University Hospital during the period from January 1975 to December 1979, and following results were obtained. 1. The incidence was higher in male and the active age group of 20-40. 2. Among the causes, traffic accidents were 22 cases (64.7%) and crushing injuries in the industrial field were 6 cases (17.6%). 3. Fracure-dislocations were higher than simple dislocation. 4. According to the Wilsons Classifications, the injuries were classified as follows. First stage of supination (51), 11 cases (32.4%): First stage of pronation (P1), 8 cases (23.5%): Plantar-flexion alone (PF), 4 cases (11.8%): Second stage of supination (S2), 3 cases (8.8%): Second stage of pronation (P2), 2 casese (5.9%): And finally direct crushing injuries,were 6 cases (17.6%): 5. Associated injuries were fracture of the metatarsal bone in 15 cases (44.1%), fractures of the tarsal bone in 7 cases (20.6%) and severe soft tissue injuries in 6 cases (17.6%), 6. The operative treatments with early anatomical reduction were obtained better results than conservative treatment. 7. As complications, pain in 31 cases (91.2%), bony deformity in 26 cases (76.5%), motion limitation in 32 cases (94.1%), skin necrosis in 3 cases (8.8%) and traumatic arthritis in 23 cases (67.6%) were observed.