▎ 摘　　要

NOVELTY - The utility model claims a building door and window profile, comprising a door frame and a window, the window is connected to the door frame and located in the door frame through a hinge; the door frame and/or the window are provided with metal profile, the metal profile is provided with a containing cavity, the containing cavity is filled with A-level fireproof heat preservation material. The building door and window profile of the utility model is filled with A-level fireproof heat insulating material in the metal profile, which effectively increases the fireproof performance of the building door and window profile, the safety is guaranteed; At the same time, it effectively improves the strength and hardness of the building door and window profile, the thickness and shape of the building door and window profile can be further optimized.