To provide a polishing tool adapted to a numerically controlled polishing device and a conveying tray for conveying the polishing tool.

The polishing tool 1 is provided with an attaching part 2 attached to a chuck of the polishing device generating a shape of a concave surface 12 of a lens 10 to be machined, a ring like adhering part 3 adhered to a convex surface 11 of the lens 10 to be machined, and a filled void part 4 using the adhering part 3 as an opening, adhered to the convex surface 11 of the lens to be machined adhered by the adhering part 3, and filled with an adhesive substance 7 holding the lens 10 to be machined. The conveying tray 100 has a storing part 112 for mounting the polishing tool 1, a through hole 113 for passing a tool vertically moving the polishing tool 1 and a protruding part 115 engaging with a cutout part 54 of the polishing tool 1.