A method and apparatus to automatically receive and/or transmit contents in which desired contents are automatically downloaded and streamed by using a rich site summary (RSS) function. The method includes receiving sample contents corresponding to previously set search conditions by connecting to a content server that has been previously linked with the content player when a web network is connected; notifying that the contents are updated when the sample contents are completely received; and receiving original contents corresponding to the sample contents in accordance with the selection of a user when the contents are completely updated.