Ordinary anti-metal tags can not be attached to irregular or curved metal use, fast wireless flexible printable anti-metal electronic tag is a good technical solution to this problem. The label can be packaged as any kind of printed label, bar code or graphic label, and can be easily attached to curved items, such as gas cylinders, pipes, metal containers and fixed asset equipment. Widely used in product certification, asset tracking, logistics tracking, valuables anti-counterfeiting and medical asset management and other fields.