Exploring thermal insulation glazed hollow beads mortar with the function of fine heat preservation and fire protection as the thermal insulation layer of the roof.Combining problems of the heat preservation materials used in thermal insulation layer of the roof,the performance of thermal insulation glazed hollow heads mortar,structure of thermal insulation roof with glazed hollow beads mortar,comparison with ordinary thermal insulation materials in thermal performance and application in projects were introduced in this article.Thermal insulation glazed hollow heads mortar was proved to have good feasibility in application of roof energy conservation.