Method and device used for controlling terminal application permission

The invention provides a method and a device used for controlling the terminal application permission. The method comprises the following steps of detecting a permission request emitted when an application is installed in a terminal; when the phenomenon that the permission request is detected is responded, determining the application classification to which the application belongs, and determining a security permission range corresponding to the application classification; and when the phenomenon that the permission request exceeds the security permission range is responded, stopping installing the application. According to the embodiment of the invention, the permission can be effectively prevented from exceeding the range when the application is installed.