Sound insulation glazed window

The utility model provides a sound insulating glass window which comprises an outer three-sash window and an inner three-sash window. The utility model is characterized in that an n-shaped miniature perforated plate is arranged along the circumference of a bottom surface between the lower fixed windows of the two windows except the bottom surface. The utility model reduces the propagation of noise using the resonant sound absorbing principle of the miniature perforated plate. Therefore, the utility model has the advantages of conspicuous sound insulating effect, simple structure and easy application. The utility model is especially suitable for office buildings and dwelling houses adjacent to streets or industrial and mining establishments.