Combined anti-theft window for escaping

The utility model discloses a combined antitheft window for fleeing life, which comprises a tetrahedral window body fixed and supported on the wall surface. The upper surface and one side surface of the window body consist of a fixed frame and the lower surface and the other side surface of the window body consist of a movable frame. The head end of the movable frame is movably connected on the fixed frame at one side surface and the end of the movable frame is movably connected with the head end of the movable frame; the end of the movable frame can be locked with the fixed frame at the upper part of the window body. The utility model is simply designed and manufactured, is safe and reliable, has the same installation with the fixed antitheft window and the partial window body can be changed into a ladder after the utility model is opened for fleeing life smoothly.