The invention discloses an escape window. The escape window comprises a window frame base, two window frame partition plates, two pieces of glass and an air extractor, wherein the window frame base is square; four first locking holes are formed in four corners of the window frame base; the two window frame partition plates are respectively mounted on the front surface and the back surface of the window frame base; second locking holes are formed in positions, corresponding to the first locking holes, on the window frame partition plates; the two window frame partition plates are matched with the window frame base to form a groove; the two pieces of glass are parallel mounted in the groove; a glass partition ring is clamped between the two adjacent pieces of glass; the vacuum treatment is carried out between the two pieces of glass and the glass partition ring; the air extractor is mounted on an inner window frame partition plate. Through the manner, the escape window can be applied to escape without need of breaking the glass by using an escape hammer; the condition that the escape hammer is out of action under some uncertain factors is avoided; the escape safety is ensured.