Energy-saving curtain wall window with hidden window frame

The utility model provides an energy-saving curtain wall window with a hidden window frame, which comprises a fixing device, a window frame and an opening sash, the window frame is fixed on a wall through the fixing device, and the opening sash is mounted on the window frame. According to the energy-saving curtain wall window with the hidden window frame, the installation mode of an aluminum alloy window is achieved in the form of a glass curtain wall, the glass curtain wall can be installed on a wall body where the aluminum alloy window can only be installed, and the energy-saving curtain wall window is provided with an opening sash of the hidden window frame and heat insulation strips on an aluminum vertical frame, an aluminum transverse frame, a hidden frame aluminum protective edge and an exposed frame aluminum protective edge of the opening sash. The heat preservation and heat insulation performance of the curtain wall window is improved, the curtain wall window is attractive and energy-saving, the curta