Objective To investigate the causes of the locking plate fracture and reoperation principles of management. Methods Analysis of the reason of locking steel plate fracture applied for 12 cases with long bone fracture. Among them,11 cases were treated again with common compression steel plates or limited contact steel plate and autologous iliac bone graft,among them 9 cases with allogeneic bone graft. One patient had humeral shaft fracture and was treated with the customized locking plate and the narrow dynam...