Energy-saving door and window structure with good air tightness

The utility model relates to an energy-saving door and window structure with good air tightness, which comprises a door frame and a door body, the door frame and the door body are rotatably installed, the outer frame walls of three sides of the door body are jointly provided with an annular limiting groove, a sealing mechanism is installed in the door body, the sealing mechanism comprises a miniature air pump, and the miniature air pump is embedded and fixedly installed in the door body. A strip-shaped air bag adheres to the inner groove wall of the annular limiting groove, the output end of the micro air pump communicates with two first air pipes, and the two first air pipes both penetrate into the annular limiting groove and communicate with an inner cavity of the strip-shaped air bag, so that the strip-shaped air bag is rapidly full and swelled by extracting external air and filling the external air into the strip-shaped air bag; in the opening process of the door body, the air leakage of the strip-shaped