Abstract: Disclosed herein is a method and apparatus for downloading files using both digital broadcasting and Internet-based transmission. In the method, a file is divided into uniformly sized blocks and transmitting the blocks via digital broadcasting. In a case where blocks which failed to be received are present and retransmission of the blocks is required, if a specific block requiring retransmission must be retransmitted to a number of receivers which are equal to or greater than a predetermined number of receivers from among a total number of receivers, the specific block is retransmitted via digital broadcasting, whereas if the specific block must be retransmitted to a number of receivers which are less than the predetermined number of receivers, the specific block is retransmitted over an Internet.