Now most smart phones contain NFC module. As one of the applications of the Internet of Things, NFC brings great convenience to people's life. On July 19, 2013, China Mobile Beijing signed a cooperation agreement with Beijing Municipal Transportation One-Card Co., LTD., jointly releasing the application of "Mobile NFC Mobile One-card". June 19, 2014 news, Alipay Wallet and the Ministry of Housing and Urban-Rural Development launched the urban card service, the NFC mobile phone into the bus card, enabling 35 cities to swipe mobile phone bus travel. At present, it covers Shanghai, Tianjin, Shenyang, Ningbo and other cities.

      Wuxi Weifeng Technology applied for invention and utility model patent in September 2014: NFC passive electronic paper display card, and began to develop based on NFC passive electronic paper display card, hoping to have a new breakthrough. The invention is mainly used in retail, access control, hospitals, schools and other fields, convenient, fast, safe and reliable.