Abstract: This invention provides a bone plate for treating bone fractures and includes a base plate (1) with an arc or arch cross section, and hook-shaped angular reinforcements (2) which have blades thereon provided on the two ends of the concave surface of the base plate (1) for contacting bones. At least one tooth (3) is intervally arranged longitudinally on the blades of the angular reinforcements. The hook-shaped angular reinforcements at the two ends of the cross section present to be centripetal hooks at the engagement points of the blades and the periosteum of fractured bone. The base plate (1) is provided with thread holes (4), installing holes (6) for pressing screws, and adjusting holes (5) for aligning and restoring fractured bones. An adjusting setscrew (7) may be provided in the corresponding hole of the plate.