A method for a user terminal device requesting a panoramic video, comprising: requesting a server for acquiring a media presentation description which comprises field of view, FOV, type information; requesting the server for acquiring a first panoramic video file based on the media presentation description; and upon detecting a change in a viewing angle of the user, the method being characterized in: determining a FOV type of the first panoramic video file, wherein the FOV type of the first panoramic video file comprises at least one of the following: the first panoramic video file has no predetermined FOV the first panoramic video file has a predetermined auxiliary FOV; the first panoramic video file has a predetermined primary FOV; or the first panoramic video file has the predetermined primary FOV and the auxiliary FOV; wherein, if the first panoramic video file has an auxiliary FOV, or a primary FOV, or a primary FOV and an auxiliary FOV, requesting the server, according to the FOV type of the first panoramic video file and the change of the viewing angle of the user, a second panoramic video file or an auxiliary FOV video file of the first panoramic video file; wherein requesting, according the FOV type of the first panoramic video file and the change of the viewing angle of the user, the server for acquiring the second panoramic video file or the auxiliary FOV video file of the first panoramic video file comprises: requesting in a single stream, in a case where the first panoramic video file has the predetermined primary FOV; or requesting in multiple streams, in a case where the first panoramic video file has the predetermined auxiliary FOV requesting a server for acquiring a media presentation description which comprises field of view, FOV, type information; requesting the server for acquiring a first panoramic video file based on the media presentation description; and upon detecting a change in a viewing angle of the user, the method being characterized in: determining a FOV type of the first panoramic video file, wherein the FOV type of the first panoramic video file comprises at least one of the following: the first panoramic video file has no predetermined FOV the first panoramic video file has a predetermined auxiliary FOV; the first panoramic video file has a predetermined primary FOV; or the first panoramic video file has the predetermined primary FOV and the auxiliary FOV; wherein, if the first panoramic video file has an auxiliary FOV, or a primary FOV, or a primary FOV and an auxiliary FOV, requesting the server, according to the FOV type of the first panoramic video file and the change of the viewing angle of the user, a second panoramic video file or an auxiliary FOV video file of the first panoramic video file; wherein requesting, according the FOV type of the first panoramic video file and the change of the viewing angle of the user, the server for acquiring the second panoramic video file or the auxiliary FOV video file of the first panoramic video file comprises: requesting in a single stream, in a case where the first panoramic video file has the predetermined primary FOV; or requesting in multiple streams, in a case where the first panoramic video file has the predetermined auxiliary FOV the first panoramic video file has no predetermined FOV the first panoramic video file has a predetermined auxiliary FOV; the first panoramic video file has a predetermined primary FOV; or the first panoramic video file has the predetermined primary FOV and the auxiliary FOV; wherein, if the first panoramic video file has an auxiliary FOV, or a primary FOV, or a primary FOV and an auxiliary FOV, requesting the server, according to the FOV type of the first panoramic video file and the change of the viewing angle of the user, a second panoramic video file or an auxiliary FOV video file of the first panoramic video file; wherein requesting, according the FOV type of the first panoramic video file and the change of the viewing angle of the user, the server for acquiring the second panoramic video file or the auxiliary FOV video file of the first panoramic video file comprises: requesting in a single stream, in a case where the first panoramic video file has the predetermined primary FOV; or requesting in multiple streams, in a case where the first panoramic video file has the predetermined auxiliary FOV