Safety clined protective board

The utility model provides a safety inclined protective board comprising a pull rod, a main support bar, wave type steel plates and a connecting piece; wherein the pull rod and the main support bar are arranged at the upper part and the lower part of a column base which is arranged at the side which is outward of a door type frame of a scaffold so as to form a triangular supporting frame; a plurality of cross bars are arranged between each two rod bodies of the triangular supporting frame which are arranged below; a plurality of wave type steel plates or steel wire meshes are arranged on the cross bars and a plurality of compression bars are further arranged on the wave type steel plates and the wave type steel plate is fixed between the cross bar and the compression bar by using a bolt and an inserted pin. The utility model is a combined type full metal part, has long service life, can be arranged conveniently and quickly, and is mainly to prevent the sundries in the high air from falling down in the process of construction and avoid the safety accidents from happening.