Abstract: A project management system is disclosed which is easy to use by members belonging to a project and other persons. The system comprises a server 2 and a DB 3 which stores project by project, contents belonging to those projects participated in by some or all of users. The server 2 comprises a communication controller 4 for transmitting prescribed pages to user terminals 1 and receiving operation messages from the pages, a project desktop sheet generator 10 for reading out contents data from the database 3 in response to those operation messages and generating pages for displaying or accessing all the contents belonging to those projects, project by project, as project desktop sheets, and an access controller 12 for controlling communications with user terminals, when there has been an access made via the communication controller 4 for the content of the contents, in unit of project desktop.