By pre-setting the hierarchical number in which the files should be retained to record it in a hierarchy designation section 9, upon initiating reception of a data broadcast program in a reception section 1, firstly a start file is acquired in a file acquisition preparation section 5, and retained in a file retention section 6. According to an anchor that is obtained by making a file analysis in a file analysis section 7, the linked files ranging from the start file from the file until a determined hierarchical number are acquired and retained. A trigger for broadcasting reception section 12 is directed from an ES supervisory section 10 so as to supervise ESs. In the event of making transition to a desired file, if a desired file is present within the files that have been retained in advance in the file retention section 6, a file transition section 14 makes the transition hereto.