Augmented reality, AR, glasses, the AR glasses comprising: a display; a communication interface for communicating with an electronic apparatus; a storage; and a processor configured to execute instructions stored in the storage at least to: obtain an image, from the electronic apparatus via the communication interface, including the AR glasses worn by a user, wherein the image is obtained by a camera of the electronic apparatus; characterized in that the processor is configured to: obtain a three dimensional, 3D, coordinate of a face region of the user based on the obtained image; obtain position adjustment information for adjusting a photographing position of the electronic apparatus based on a difference between the 3D coordinate of the face region and a reference 3D coordinate stored in the storage; and control the display to display a guide graphic user interface, GUI, for adjusting the photographing position of the electronic apparatus based on the position adjustment information, wherein the guide GUI is represented by a virtual object and includes at least one of a rotating direction of the electronic apparatus and a degree of rotation of the electronic apparatus, and wherein the guide GUI includes a sign in a shape of an arrow that indicates a clockwise direction or a counterclockwise direction for displaying the rotating direction. a display; a communication interface for communicating with an electronic apparatus; a storage; and a processor configured to execute instructions stored in the storage at least to: obtain an image, from the electronic apparatus via the communication interface, including the AR glasses worn by a user, wherein the image is obtained by a camera of the electronic apparatus; characterized in that the processor is configured to: obtain a three dimensional, 3D, coordinate of a face region of the user based on the obtained image; obtain position adjustment information for adjusting a photographing position of the electronic apparatus based on a difference between the 3D coordinate of the face region and a reference 3D coordinate stored in the storage; and control the display to display a guide graphic user interface, GUI, for adjusting the photographing position of the electronic apparatus based on the position adjustment information, wherein the guide GUI is represented by a virtual object and includes at least one of a rotating direction of the electronic apparatus and a degree of rotation of the electronic apparatus, and wherein the guide GUI includes a sign in a shape of an arrow that indicates a clockwise direction or a counterclockwise direction for displaying the rotating direction. obtain a three dimensional, 3D, coordinate of a face region of the user based on the obtained image; obtain position adjustment information for adjusting a photographing position of the electronic apparatus based on a difference between the 3D coordinate of the face region and a reference 3D coordinate stored in the storage; and control the display to display a guide graphic user interface, GUI, for adjusting the photographing position of the electronic apparatus based on the position adjustment information, wherein the guide GUI is represented by a virtual object and includes at least one of a rotating direction of the electronic apparatus and a degree of rotation of the electronic apparatus, and wherein the guide GUI includes a sign in a shape of an arrow that indicates a clockwise direction or a counterclockwise direction for displaying the rotating direction. <EOS>