The information processing apparatus for project management comprises: a function of displaying on a screen a task area 12 where a symbol 123 representing a document relating to a task constituting a project is displayed; and a function of performing document work according to an operation instruction for the symbol 125 representing the document displayed in the task area 12. The task area 12 has a work area 121 which displays a symbol 123 representing the document, and an output area 122. When a symbol 126 representing a document is moved within the output area 122, the output area 122 displays a symbol representing the document in a task area of another associated task constituting the project.