The invention discloses a cross-terminal tourism information publishing method which comprises the following steps : a whole cross-terminal information publishing platform is designed with a database as the core; and five terminal publishing methods are provided for different terminals used by users. The method of the invention is developed on the basis of the Internet technology, various tourism information is integrated and stored by using the database technology, the search engine, data mining, electronic map and two-dimensional code technologies are used at the same time, and the information is published through the Internet or a mobile 3G network to a variety of terminal equipment such as hotel high-definition video terminals, touch screens in public places, home televisions, computers and mobile phones. Therefore, a multi-channel information publishing and acquiring method covering a plurality of electronic media can be constructed to realize timely and accurate information acquisition, the demands of users of different levels are met, and the tourism industry is really made into a tourism information industry.