The embodiment of the invention discloses an application prompting method and device for an SNS (Social Network Service) system and a terminal. The method can comprise the following steps of: acquiring current geographical position information of the terminal; generating SNS system application prompting information matched with the current geographical position information of the terminal according to the current geographical position information of the terminal; and outputting the SNS system application prompting information which is used for prompting a user to start applications of the SNS system. With the adoption of the method, the device and the terminal, the user viscosity of the applications of the SNS system can be improved, and the utilization ratio of the applications of the SNS system can be increased.