A method for processing information includes steps of: classifying a plurality of files into a plurality of groups, and each group is represented by one or more displayable images; designating each group according to a hierarchy of the groups; displaying images of one or more groups in a same level of the hierarchy in the form of a first virtual ellipse; locating centers of the displayed first virtual ellipses along a path of a second virtual ellipse; wherein a selected one of the groups in the same level of the hierarchy has its first virtual ellipse displayed in a size larger than that of any other displayed first virtual ellipse, a selected one of the images of the first virtual ellipse of the selected group is displayed in an active area of the first virtual ellipse of the selected group.