An information collection retrieval system includes: a facility information database for storing individual information items about facilities; an information acquisition terminal for inputting a retrieval keyword, and for outputting results of searching the facility information database using the retrieval keyword; an information registration terminal for registering the individual information items about the facilities into the facility information database; and a control unit for controlling the information acquisition terminal, information registration terminal and facility information database. The control unit includes: a registration analyzing section for analyzing registration information transmitted from the information registration terminal, and for storing the analyzed results in the facility information database as the individual information items about the facilities; and a retrieval section for searching the entire facility information database using the retrieval keyword input from the information acquisition terminal, and for transmitting information representing retrieval results to the information acquisition terminal.