Male, 13 years old, FMNK of right the hand caused by falling. A The anteroposterior image showed the apex dorsal angulation preoperatively. B The oblique image showed a three-point supporting role of k-wire in the head, body, and tail, and the apex dorsal angulation was completely corrected one month after surgery. C After removal of the k-wire postoperatively, oblique images showed good fracture healing. D and E The general images of lateral position showed excellent flexion and extension function of MCP joints.