An editing method includes the steps of: providing a plurality of editing applications to a user terminal over a network, each of the editing applications allowing a user of the network to modify an image; in response to the user's request, performing at least one editing operation on the image by using a first editing application; storing an editing list in a storage area, the editing list embodying the at least one editing operation; and applying at least a portion of the stored editing list to the image to modify the image such that the user can apply previous editing operations embodied in the stored editing list to the image when the user edits the image by using a second editing application.