The embodiment of the securing plate for acetabulum posterior wall and posterior column has a first surface, a second surface and a flexion, the flexion of the plate further extends a plurality of curved plates except for having a plurality of holes the plurality of curved plates further includes: a first branch and a second branch, wherein there are placed a plurality of holes on the first branch and the second branch, and the plurality of holes is penetrated through the first and second surfaces of the plate.本實施例之一種髖臼後柱及後壁固定骨板具有一第一表面、第二表面與一彎折部,而在此骨板的彎折部除了具有複數個穿孔之外,又進一步向外延伸出複數個弧形板體;而複數個弧形板體又包含:一第一分支與一第二分支,其中在第一分支與第二分支上亦設置有複數個穿孔,並使上述複數個穿孔貫穿於此骨板的第一及第二表面。102‧‧‧彎折部104‧‧‧第一分支106‧‧‧第二分支108‧‧‧穿孔110‧‧‧第一表面112‧‧‧第二表面
