On the contrary, the integrated solution of payment pos machine and receipt is simple to operate. Compared with other ordinary pos machines, it has obvious advantages in function and performance, and supports various payment methods such as credit card, UnionPay QR code, WeChat, Alipay, NFC flash payment, ApplePlay, etc., which brings more efficient and convenient use experience to merchants. Moreover, the comprehensive solution of payment pos machine receipt adopts security technologies such as HTTPS, secure hardware key or digital certificate authentication, and integrates encryption technology to fully guarantee the transaction security of merchants. For those merchants who want to improve business efficiency, the comprehensive solution of pos machine acquiring is a device worthy of consideration and use.