The present invention provides a document processing method and system which implement display that improves efficiency and usability of edit operations when inserting, moving, or copying and pasting data, by taking full advantage of the feature of retaining data and set values hierarchically in the system. In document processing for editing a document consisting of multiple sets of original data, when a user moves a graphic object which represents a desired original by dragging it on the document in order to move or copy the desired original data to a certain position on the document, the present invention detects the boundary between originals in the document, nearest to the position of the cursor dragging the graphic object which represents the desired original, and displays an identifiable mark on the boundary between originals in the document.