A method for implementing an augmented reality, AR, application in which digital multimedia information is combined with a real object in physical space and displayed on a user terminal equipment, the method comprising: collecting an image uploaded by a user and label information of the image, wherein the label information comprises geographical location information of a describing object of the image; obtaining a social networking contact's comment information about the image wherein, the image and the label information have been released to a social networking contact of the user according to the user's social graph and interest graph on the internet; extracting, from the comment information, a keyword of which occurrence frequency is higher than a first threshold, wherein the keyword is used to identify the image and indicates one or more information selected from a group comprising: a scenery feature, culture information and a history origin of the describing object of the image; adding the image to an image library based on the geographical location information of the image, such that each image in the image library has the same geographical information; adding the image to an image album in the image library according to the keyword, such that each image in the image album has the same keyword; generating an augmented reality pattern about a describing object of the image according to common image features of images in the image album and the keyword; and, obtaining augmented reality content about the describing object according to the keyword by using a search engine or from a third-party content provider, wherein the augmented reality pattern comprises features which are stored in a digital format and which are used to identify the object in physical space in the AR application, and the augmented reality content comprises information that can be used as an overlay on the object by the AR application for display on a user terminal equipment. collecting an image uploaded by a user and label information of the image, wherein the label information comprises geographical location information of a describing object of the image; obtaining a social networking contact's comment information about the image wherein, the image and the label information have been released to a social networking contact of the user according to the user's social graph and interest graph on the internet; extracting, from the comment information, a keyword of which occurrence frequency is higher than a first threshold, wherein the keyword is used to identify the image and indicates one or more information selected from a group comprising: a scenery feature, culture information and a history origin of the describing object of the image; adding the image to an image library based on the geographical location information of the image, such that each image in the image library has the same geographical information; adding the image to an image album in the image library according to the keyword, such that each image in the image album has the same keyword; generating an augmented reality pattern about a describing object of the image according to common image features of images in the image album and the keyword; and, obtaining augmented reality content about the describing object according to the keyword by using a search engine or from a third-party content provider, wherein the augmented reality pattern comprises features which are stored in a digital format and which are used to identify the object in physical space in the AR application, and the augmented reality content comprises information that can be used as an overlay on the object by the AR application for display on a user terminal equipment.