A method for displaying an application interface, executed by a terminal and characterized by comprising: - determining a first application in an application multi-on group, wherein the application multi-on group comprises an original application and at least one mirror application obtained by copying the original application, the original application and the at least one mirror application are identical applications installed on the terminal, and the first application is one of the at least one mirror application; - acquiring an original icon of the first application; - obtaining a multi-on icon of the first application by adding a multi-on identifier of the first application at a specific position within the original icon, wherein the original icon of the original application is the same as the original icon of the first application, and wherein each application of the application multi-on group corresponds to a multi-on identifier, the applications of the application multi-on group are distinguished based on the multi-on identifiers; and - displaying application prompting information in a specific area in an interface of a terminal for indicating the first application, wherein the application prompting information comprises the multi-on identifier of the first application or the multi-on icon of the first application, and the multi-on icon of the first application is obtained by modifying the original icon of the original application of the application multi-on group, the specific area comprises one or more of a system status bar, a system notification bar, a taskbar, a display area containing an icon of any application of the application multi-on group. - determining a first application in an application multi-on group, wherein the application multi-on group comprises an original application and at least one mirror application obtained by copying the original application, the original application and the at least one mirror application are identical applications installed on the terminal, and the first application is one of the at least one mirror application; - acquiring an original icon of the first application; - obtaining a multi-on icon of the first application by adding a multi-on identifier of the first application at a specific position within the original icon, wherein the original icon of the original application is the same as the original icon of the first application, and wherein each application of the application multi-on group corresponds to a multi-on identifier, the applications of the application multi-on group are distinguished based on the multi-on identifiers; and - displaying application prompting information in a specific area in an interface of a terminal for indicating the first application, wherein the application prompting information comprises the multi-on identifier of the first application or the multi-on icon of the first application, and the multi-on icon of the first application is obtained by modifying the original icon of the original application of the application multi-on group, the specific area comprises one or more of a system status bar, a system notification bar, a taskbar, a display area containing an icon of any application of the application multi-on group.