The invention relates to the field of computers and discloses an information prompting system, to solve the problem in the prior art that whether messages to be processed exist or not can be informed only when a user logins a specific terminal in the prompting processing mode of the information so as to bring inconvenience to a user. The system comprises an information acquisition processing module and an information prompting module, wherein the information acquisition processing module is used for carrying out information acquisition according to a request (set by the user) that the information needs to be acquired, classifying and transmitting the classified information to the information prompting module; and the information prompting module is used for prompting the user in a prompting mode which is set by the user in advance and corresponds to the type of the information, so that the user is enabled to master corresponding information in time. In addition, the invention also discloses an information prompting method which is applicable to acquisition prompting of information.