The utility model discloses a kind of stable adjustable aluminum
alloy doors and windows, comprising: aluminum
alloy window frame, the glass installation cavity is formed on the upper end of aluminum
alloy window frame inner side wall by the side wall of horizontal section bar, glass installation cavity is used to carry out clamping and fixing to aluminum alloy door and window inner side upper end glass, the horizontal section bar and aluminum alloy window frame are located in the end of indoor and are clamped with inside and outside adjusting section bar, by exchanging the position of inside and outside adjusting section bar, the adjustment of door and window inside and outside opening mode can be realized. By setting inside and outside adjusting section bar, only need to exchange its position to realize the conversion of door and window inside and outside opening mode, without forcibly replacing hinge position or replacing fan material, simple operation, solve the problem that traditional aluminum alloy door and
window opening direction is fixed, late adjustment difficulty, meet the demand change of user in different use stage, and can freely convert window sash inside and outside opening with the demand of user to door and window inside and outside opening mode.