The high strength midheaven board, is longitudinal links the plural number block glue by two films with these two films to constitute; Its chief feature is lies in: This block glue department is a flat erectness curving assumes the S long strip continuously, affiliation it divides equally evenly disperses this midheaven board to withstand the big external force, and the enhancement curving pulling force, has may withstand the midheaven board crosswise curving external force, attains is not easy to create the bend break; This creation and may within two films two correspond the side to be equipped with the plural number longitudinal raised strip raised, may strengthen the good compressive resistance and the curving pulling force