A method for integrating multiple web servers based on individual client authorization consists of setting up a client, a master web server, and at least one slave web server through a network such that after the said master web server receives commands inputted by the said client, an authentication routine relative to the said client is executed based on the said commands to determine the individual authorization level of the said client and web pages are collected from the said master server and slave web that the client is permitted to browse based on the said individual authorization level and, furthermore, web pages are respectively displayed via a specific screen model on the computer system of the said client.