The utility model provides a protection ceiling relates to protection facility technical field, and the ceiling can reduce or even avoid the destruction of natural force to building or ancient site. The ceiling is fixed in that treat around the protected area and the ceiling can cover the part or whole and treats protected area, and the ceiling includes steel construction, steel skeleton and leafstructure, and wherein, the steel construction is fixed around treating protected area and the steel construction can cover the part or whole and treats protected area, steel construction and treat tobe formed with access way between the protected area, be used for preventing the natural force infringement to treat that protected area's leaf structure distributes on the steel construction and leaf structure passes through the steel skeleton and is connected with the steel construction, leaf structure can cover the outside of the steel construction of the part or whole or the leaf structure that the steel construction can cover the part or whole. The utility model is used for protection building and ancient site.