Information processing method, first terminal, second terminal and server

The invention discloses an information processing method, a first terminal, a second terminal and a server. The method comprises the following steps: selecting a first picture on an information sending interface of an application and uploading the first picture, and generating a first request according to the first picture; transmitting the first request to the server, and requesting the server to perform encryption treatment on the first picture in the first request, so as to display a second picture obtained after the encryption treatment in an information presentation interface of the application which is running at the second terminal; the second picture is in a representation form of a covering layer on a picture which is generated through masking strategy rendering, which is different from a clear representation form of other pictures in the information presentation interface of the application; and receiving payment information fed back by the second terminal, wherein the payment information is generat