This invention relates to a prompt communication method based on WAP including: 1, obtaining WAP web request of a user, 2, checking if the user has registered based on the request, if so, step 3 is executed, otherwise, it shows the log-on links and prompts the user to log on, 3, checking if said user has new information, if so, it displays it on the web and provides link for examining the new information. This invention also discloses a prompt communication system based on the WAP.