Abstract: The present invention relates to a method and apparatus for processing a pasting link based on a data object oriented repository system (DOORS). The DOORS stores objects and link addresses of the objects, the link addresses of the objects records row numbers or column numbers of a spreadsheet, a group of storing addresses of the objects associating with each other are stored in the rows or columns of the spreadsheet, the storing addresses of the objects are addresses where the objects are stored in the DOORS, and the method comprises following steps when the objects are changed: (1) visiting the DOORS, and reading the link addresses of the objects; (2) visiting the rows or columns of the spreadsheet based on the row numbers or the column numbers recorded by the link addresses of the objects; and (3) performing content update of the objects in the DOORS based on change of content of the objects and/or address update of the objects in the rows or columns based on change of addresses of the objects.