A system (100) for managing electronic documents associated with respective products (i.e., product documentation) includes a database (40) and a server (30). The database selectively stores the electronic documents. The server is electronically connected to the database and includes a loading module (301) and a processing module (302). The loading module transmits selected electronic documents to the database. The processing module includes an inquiry module (3021) configured for locating/determining related documents in the database according to a keyword; a path-generating module (3022) configured for generating path links indicating locations of the located related documents; and a maintenance module (3023) for automatically deleting selectably chosen electronic documents in the database.