Railway announcement and information releasing method and system

The invention discloses a railway announcement and information releasing method and system. The method of the invention comprises the following steps: determining the scope attribute of the announcement and information to be released wherein the scope attribute includes the announcement of the trains, the train stations and the railway bureaus; according to the scope attribute of the announcement and information to be released, determining the train numbers of the trains related to the announcement and information to be released; determining the terminals of users who pay attention to the train numbers on the day of the announcement and information to be released; and sending the announcement and information to be released to the terminals. According to the method of the invention, it is possible to send announcement and information to users in need of the announcement and information accurately, which greatly reduces the possibility that the users miss the information and makes announcement and information more instant.