Hollow three-dimension curtain

The utility model relates to a hollow three-dimensional window curtain for covering windows and doors of the building, which comprises a deformable folding curtain body, an upper track, a lower track, a pull rope running through the hollow curtain body and a gadget controlling the expansion of the window curtain, wherein the curtain body is formed by folding and sticking a plurality of deformable folding hollow pole body units along the window curtain, and the section of each hollow pole body unit is a polygon with equal opposite sides. The utility model is suitable for sun shading in houses and offices, and has good heat insulation and sound insulation results.