A high-magnification photographing method, wherein the method is applied to an electronic device, the electronic device comprises a camera, and the method comprises: displaying, by the electronic device, a first interface, wherein the first interface is a viewfinder interface for photographing by the electronic device, the first interface comprises a first preview image collected by the camera when a zoom ratio is m, the first preview image comprises an image of a target object, and the image of the target object is at a central position of the first preview image; displaying, by the electronic device, a second interface in response to a first operation performed by a user on the image of the target object in the first interface, and obtaining and saving initial pose information of the electronic device, wherein the second interface comprises a second preview image collected by the camera when the zoom ratio is n, the second preview image comprises an image of the target object, and n>m; and the initial pose information is used to indicate a motion state and a position of the electronic device when receiving the first operation; obtaining, by the electronic device, real-time pose information of the electronic device, wherein the real-time pose information is used to indicate a real-time motion state and a real-time position of the electronic device; sending, by the electronic device, first prompt information based on the real-time pose information and the initial pose information, wherein the first prompt information is used to prompt the user to move the electronic device, so that the electronic device is in the motion state and at the position indicated by the initial pose information; displaying, by the electronic device, a third interface in response to a photographing operation of the user, wherein the third interface comprises a third preview image and a fourth preview image, the third preview image is an image with a highest image parameter in a plurality of frames of second preview images collected by the camera, the image parameter comprises definition and/or integrity, and the fourth preview image is an image photographed in response to the photographing operation; and saving, by the electronic device, a preview image selected by the user in response to a selection operation performed by the user on the third preview image and/or the fourth preview image. displaying, by the electronic device, a first interface, wherein the first interface is a viewfinder interface for photographing by the electronic device, the first interface comprises a first preview image collected by the camera when a zoom ratio is m, the first preview image comprises an image of a target object, and the image of the target object is at a central position of the first preview image; displaying, by the electronic device, a second interface in response to a first operation performed by a user on the image of the target object in the first interface, and obtaining and saving initial pose information of the electronic device, wherein the second interface comprises a second preview image collected by the camera when the zoom ratio is n, the second preview image comprises an image of the target object, and n>m; and the initial pose information is used to indicate a motion state and a position of the electronic device when receiving the first operation; obtaining, by the electronic device, real-time pose information of the electronic device, wherein the real-time pose information is used to indicate a real-time motion state and a real-time position of the electronic device; sending, by the electronic device, first prompt information based on the real-time pose information and the initial pose information, wherein the first prompt information is used to prompt the user to move the electronic device, so that the electronic device is in the motion state and at the position indicated by the initial pose information; displaying, by the electronic device, a third interface in response to a photographing operation of the user, wherein the third interface comprises a third preview image and a fourth preview image, the third preview image is an image with a highest image parameter in a plurality of frames of second preview images collected by the camera, the image parameter comprises definition and/or integrity, and the fourth preview image is an image photographed in response to the photographing operation; and saving, by the electronic device, a preview image selected by the user in response to a selection operation performed by the user on the third preview image and/or the fourth preview image.