The invention discloses an anti-theft glass window, which relates to the technical field of building safety equipment, comprising a first window frame, a window sash, an inner frame, an outer frame, a first glass, a second glass, and a third glass. In a window frame, the sash is provided with two opposite leaves, the cross section of the inner frame is "H" shape, the inner frame is provided with an inward groove and an outward groove, and the outward groove of the inner frame is set on the cross section as "U". In the "type outer frame, the first glass, the second glass and the third glass are arranged in parallel in the inward groove, the first spacer bar is arranged below the first glass and the second glass, the second glass and the second glass A second spacer is arranged below the three glasses, a shutter is arranged between the first glass and the second glass, a pressure sensor is arranged above the first spacer, and a diamond net is installed between the second glass and the third glass. The invention has the advantages of convenient operation and flexible use, and utilizes the pressure sensor and diamond net to play double anti-theft functions.