The invention discloses a PDF document processing method and device, and the method comprises the steps: recognizing a first type of objects in a PDF document according to the features of the preset first type of objects, the first type of objects comprising at least one of titles, headers and footers of all levels, and the features comprising contents and formats; and identifying a second type ofobjects in the PDF document, wherein the second type of objects are predetermined characters with hyperlinks; and according to preset directory features, identifying a directory in the PDF document,the directory features including keywords and formats of the directory. Visibly, compared with a mode of manually checking the PDF document, titles, header, footers, characters with hyperlinks and contents to be inspected of directories at all levels in the PDF document can be automatically identified, and wrong items to be inspected in the contents to be inspected are automatically identified, sothat manual inspection is assisted, the processing efficiency of the PDF document is remarkably improved, and the labor cost is reduced.