Combined heat preservation and insulation window

The utility model discloses a combined type heat preservation and insulation window which comprises an outer frame, outer layer glass and hollow glass are embedded in the outer frame in parallel, and the outer layer glass is of the full-size design of the outer frame and is used for sealing and protecting functions; the hollow glass is lower than the outer-layer glass, a space is reserved between the top of the hollow glass and the top of the outer frame, and the space between the top of the hollow glass and the top of the outer frame serves as a curtain box bin; a curtain box is arranged in the curtain box bin, an outer curtain is arranged in the curtain box, and the outer curtain can be folded and unfolded up and down between the outer-layer glass and the hollow glass; one side of the outer curtain facing outdoors is coated with a heat reflection coating, and the other side of the outer curtain is coated with a dark light absorption and heat absorption coating. The utility model has the following advantages