This is a device that pays through facial recognition technology. According to Zhongguancun Online official website, the face-brushing payment equipment of China UnionPay Express is convenient and quick, which can avoid the trouble of using bank cards or cash payment. Face recognition technology has high security and can effectively prevent payment from being stolen or fraudulently used. The face-brushing payment device of China UnionPay Express is a kind of payment device through face recognition technology.