The utility model discloses a strong component props safe type roof structure, include: room lid truss, wherein be equipped with main room lid in the room lid truss and assist the room lid, main roomcovers and assists the room lid to connect through the support frame, main room lid comprises with back room lid qian wugai, preceding room lid comprises main room truss and bracing truss, the both sides of main room truss are located to the bracing truss. The utility model discloses in a strong component props safe type roof structure, its through the support frame with main room lid with assistthe room lid to connect, fine pulling and the fixed action can be built to the preceding room in the main room lid to the setting of supplementary room lid, avoids its enormous impact that receives the head -on wind, simultaneously, also dual room lid the setting also great improvement the support performance of whole room lid, great improvement the security and the stability of its use.