The invention discloses a method for sending or receiving video previews of mobile TV and a device thereof. The sending method comprises the steps that: video preview data provided during a prescribedperiod are encapsulated into a prescribed channel to be played circularly; video preview partition is newly added in to an electronic service guide to store the attribute information of the video preview data, arrangement partition corresponding to the video preview partition is added with arrangement information of video previews and play parameters of the video preview channel is added to the service partition corresponding to the video preview partition; the electronic service guide including the attribute information, the arrangement information and the channel play parameters of the video preview data is transmitted to a corresponding terminal. Fast search and preview over service can be fulfilled without downloading the video preview data to the terminal and the video preview service can be provided for customers on the premise of adding no additional data service tariff.