PURPOSE: To provide the electronic filing device with which the input and retrieval of information contents can be facilitated.

CONSTITUTION: Concerning an electronic filing device A provided with a document registering means 11 for inputting the information contents of document information or index information, preserving means 16 for storing the information contents, retrieval means 19 for retrieving the information contents stored in the preserving means 16, and display means 22 for displaying the retrieval result, the document registering means 11 is provided with a page describing language input part 12 for inputting a page describing language describing the information contents to be outputted by the printing instruction of a document preparing device B, and the retrieval means 19 is provided with a document information retrieval part 20 for retrieving the document information stored in the preserving means 16.