Abstract: Provided is a lens-fixing apparatus for rimless spectacles, which provides a comfortable wearing sensation while reducing costs and assembly procedures, and providing aesthetically pleasing and elegant design, thus improving the quality of rimless spectacles and strengthening the competitiveness thereof in domestic and global markets. The lens-fixing apparatus for rimless spectacles includes hinges having legs at the rear portions thereof and which are connected to each lens, respectively and bolts and nuts for fastening the lenses to a nose frame which interconnects the lenses, wherein each of said bolts has a bolt body that integrally protrudes from one or both sides of the hinge body of the hinge, and from one or both sides of the nose frame body of the nose frame, and said bolt body is threaded through a post-processing so as to be coupled with the nut, thereby fastening the lenses of the rimless spectacles together.