Method for transmitting message in Web information system and Web server

The invention discloses a method for transmitting a message in a Web information system and a Web server, solves a technical problem that an existing technical scheme occupies large memory when the number of concurrent users is great and causes congestion of a Web system to result in denied access, and thus improves a concurrent ability of the system. The method disclosed by the invention is applied to the Web server. The Web server can perform information interaction with a Web client. The method comprises the steps of carrying out first verification on a traffic permit sent by the Web client; storing a first message into a designated position of the Web server by taking a unique voucher number in the traffic permit as a mark if the first verification passes, wherein the first message is a message which needs to be exchanged or needs to be transmitted to a subsequent page; and extracting the first message from the designated position according to the unique voucher number when the Web client needs the first message.