The embodiments of a securing device for posterolateral tibial plateau include a head, a body, a first surface and a second surface. The head is a flat plate wherein one end of the head has a extension the body presents a wave-shaped plate, and the head and the body are formed in one piece sequentially the second surface may have a curvature by being bent, and there are a plurality of holes and a locating hole penetrating the first surface and the surface of the device.
