To provide a wire saw which is independent of self-dressing action of an object to be ground, safe, free from fluctuation of grinding performance for a long time, quiet and excellent in the grinding performance and its manufacturing method.

A wire is formed of a rope-shaped core wire and a single or a plurality of lines of cylindrical coil-shaped base metal wires 10, and a cutting surface shape of the base metal wires is made in a continuous structure of a recessed shape and a protruded shape. A groove 11 is formed on a front face part in a cutting direction of a recessed part, and abrasive grains 2 are firmly adhered with metal.