This paper analyzed and researched the mobile payment technology and its safety based on NFC. In the mobile payment process,the built-in NFC chip phone was modeled as a non-contact identification card communicating with POS terminals. Due to the special nature of the financial sector,it is particularly important to ensure data security in the transaction process. This paper researched and established a trading model of near-field payment,and analyzed the possible security risks. After comparison and analysi...