A hierarchical structure generating method and apparatus used in a communication system (for example, consisting of a parent station B and N child stations (relay station R or terminal station T) is disclosed, by which the whole hierarchical structure can be efficiently generated and displayed from the top level based on a parent-child relationship table between the constituent stations. The apparatus comprises a section (100) for referring to a parent-child relationship table (10) indicating each parent-child relationship between the elements, and generating and outputting a hierarchical structure display table (11) which includes at least information for determining whether each element is a parent element; information for determining whether each parent element is a top parent element; information for determining a child element of each parent element; and information for determining another child element having the same hierarchical level of each child element, so as to analyze the hierarchical structure; and a section (200) for generating and displaying the hierarchical structure of the elements by referring to the hierarchical structure display table.
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