The invention relates to a push-pull non-frame glass window, which can be used to collect light, vent, insulate heat and anti theft. It comprises a window frame made from aluminum alloy section material; left and right glass wings; slide track and slide wheels inside the window frame; the left glass wing can slide along the slide track; the window frame also contains gear wheel, tooth bar and synchronous belt; the lower end of left glass wing is connected to a universal wheel; driven by gear wheel and tooth bar, and via the slide bar and slide groove, it can be parallel pushed out or parallelmoved in; when the window is closed, the left and right glass wings are in the same plane, without distance between them; when opening, the left glass wing first moves, to be displaced from the rightone, then pushing the right glass wing to open the window. The invention has the advantages that better light collecting property; there is no distance between two glass wings when the window is closed, to avoid being theft; and it uses single track to move wings.