Broken bridge aluminum doors and windows, using a thermal break aluminum profiles and hollow glass, energy-saving, sound insulation, noise prevention, dust-proof, waterproof and other functions. Broken bridge aluminum doors and windows of the heat conduction coefficient K value for the 3W / m2 K, than ordinary doors and windows heat dissipation is reduced by half, reduce heating costs about 30%, sound insulation quantity amounts to 29 dB above, water tightness, good air tightness, reached the national standard A1 window.