The invention provides an outer wall shading protection blind, which is install on outer wall of building and can be used to sun-shading, rain-blocking and so on. It comprises fixed framework, guide rail, bracket bar, leaf, cable and cable controlling mechanism so on, characterized in that axis of guide rail is set on fixed framework and bracket, on which driving cable is set, and several bracket bar, on which leaves of blind are fixed by hinge structure, are set on the axis of guide rail. On-off coupled cable is connected on bracket bar and angle coupled cable is connected on leaf. The invention makes sun-shading more rational, anti-theft safer and so on.