Safety window

The utility model discloses a safety window. The safety window comprises a window frame, window sashes and a safety fence, wherein the upper frame and the lower frame of the window frame are respectively provided with two guide rails side by side, the guide rails include an inner guide rail and an outer guide rail, at least two window sashes are provided, the window sashes are respectively mounted on the inner guide rail and the outer guide rail, and the safety fence is mounted on the outer guide rail. The safety fence of the safety window can effectively avoid the potential safety hazard when children climb high and cross the window, and can prevent the life safety of the children; the width of the safety fence is less than that of the window sashes, thus, gaps are formed, and the gas are beneficial form cleaning glass; the depth of a guide slot is less than the height of the guide rails, thus, the safety fence can be detached conveniently, and the safety fence can be detached when being unnecessary.