With the development of science and technology, the technology of counterfeiters has also kept pace with the times, and the traditional method of verifying the authenticity of bottle caps is no longer appropriate. The RFID anti-counterfeit identification bottle cap is composed of two parts, an identifier (reading code) and a security cap. When consumers use the radio frequency identifier, they can read out the information of the memory outside the bottle cap equipped with a security device (or other commodity equipped with a security device) once, so as to achieve the purpose of product anti-counterfeiting. It is reported that the use of radio frequency identification in the field of domestic and foreign anti-counterfeiting technology is still the first, its built-in chip provided by the ATMEL company, it is a research, development, design, production and sales of large multinational semiconductor companies in a variety of The field of non-volatile memory has taken the lead in the world.