The invention provides an image processing system which is suitable to carry out image processing in excellent accuracy while removing influence due to characteristics depending on the type difference and which facilitates wide and flexible adaptation over image capturing devices. A digital camera includes an image pick-up sensor unit which receives images as data, a URL memory unit which stores a URL to indicate an acquisition site of image processing data, and a URL adding unit which adds the URL in the URL memory unit to the image data. The printer includes an RAW data read unit which reads out the image data, a URL acquisition unit which acquires the URL added to the image data, an image processing data acquisition unit which acquires the image processing data from the image processing data storage server based on the acquired URL, and an image data processing unit to process the image data based on the acquired image processing data.