Payment authorization method and device

The invention discloses a payment authorization method and device. The payment authorization method comprises the following steps: obtaining authentication information input by a user during payment, and emotional characteristic information or action characteristic information when the user inputs the authentication information; when the authentication information is legal, determining whether a payment scene is a normal payment scene or not according to the emotional characteristic information or the action characteristic information; and according to a result of judging whether the payment scene is the normal payment scene or not, performing security control on the payment. According to the payment authorization method and device, provided by the embodiment of the invention, the emotional characteristic information or the action characteristic information when the user inputs the authentication information during the payment is obtained, the fact that the payment scene is the normal payment scene is determined, and the security control is performed on the payment according to the judgment result, so that the security of the payment can be improved.