To provide a method for forming an antenna writing pattern capable of manufacturing a coil-shaped antenna wiring pattern in a non-contact data carrier with satisfactory working efficiency and suitable mass production and highly precise working, and removing any waste of raw materials for working.

In the method for forming an antenna wiring pattern for a non-contact data carrier by using a conductive layer as raw materials for working for manufacturing an antenna wiring pattern, the punching of the outer peripheral part of a desired first antenna wiring pattern is carried out to the raw materials for working by one punching die. In this case, the punching of the coil part of a desired second antenna wiring pattern is also carried out according as the punching of the coil part of the first antenna wiring pattern is carried out, and simultaneously the punching of the outer peripheral part of the desired second antenna wiring pattern is carried out.