A method for managing an original image
data file uploaded from a terminal of a
client and a
system for materializing the method. The method includes storing the original image
data file in a
database; generating a preview image
data file by using the original image data file, wherein the preview image data file has a predetermined
file size smaller than that of the original image data file; storing the preview image data file in the
database; and linking the preview image data file with the original image data file. The
system includes a storage device a storage device, an image management device, a retrieval device and an image process device. The storage device stores information of a
client, original image data files and preview image data files each linked with corresponding one of the original image data files. The image management device generates a preview image data file by using a corresponding original image data file. The retrieval device reads out an original image data file from the storage device, on the basis of search data externally provided. The image process device provides an
image selection page to the
client terminal and generates the search data for the preview image data file selected by the client.