To provide a metal coil bundling method and a bundling apparatus which is structured simply, and yet attaching a distinguishing mark on a metal coil when the coil has been bundled.

The bundling apparatus comprises a hoop guide 20, a required number of hoop bundling mechanisms 30, a label attachment mechanism 40 arranged integrally with at least one of the hoop bundling mechanisms 30, and a sensor 50 arranged in a prescribed position on the hoop guide 20 to detect the position of the head of a hoop H. When the hoop guide 20 is in a stand-by status, a portion of the hoop H with a prescribed length is fed to the hoop guide, and an identification label 4 is attached to the head of the fed hoop.