Fabricated energy-saving roof panel

The utility model discloses an assembly type energy-saving roof panel which comprises a frame, stand columns and panels, the number of the stand columns is multiple, the stand columns are evenly distributed in an inner cavity of the frame, the number of the panels is multiple, the panels are evenly distributed in the inner cavity of the frame, the surfaces of the stand columns make contact with inner cavities of the panels, and a containing groove is formed in the inner cavity of the frame. The frame, the stand columns, the panel, the containing groove, the positioning mechanism and the transmission mechanism are arranged and used in cooperation. The problems that an existing assembly type panel needs to be used in cooperation with a frame, and the frame is not provided with an assembly capable of limiting the panel, so that the panel easily shakes due to the fact that the panel cannot be limited before being fixed are solved; and if the panel shakes, a user needs to limit the panel again, the whole assemblin