One-hundred fifty children underwent closed reduction for the fracture of both bones of the forearm were retrospectively reexamed with an average follow-up time of 28.7 months(range, 13-60 months). Patients were divided into three groups of 50-complete fractures, 50-green-stick fractures broken intact cortex and 50-green-stick fractures preserved intact cortex. The rate of the reangulation after closed reduction was lowest on the green-stick fractures preserved intact cortex. Forty-seven patients with residual angulation after healing were divided into two age groups of 4-10 years and 10- 15 years at the time of fracture. In children younger than 10 years of age with residual angulation after distal fractures of both bones of the forearm, the change of orientation of the epiphyseal plate toward the normal seemed to account for nearly all the actual correction at the site of fracture. The hinge should be used to aid in an accurate and stable reduction. The importance of the orientation of the epiphyseal plate is related to the distance between the fracture site and the epiphyseal plate according to the age of the patient.