With the rapid development of the network, images have become the main storage method for storing information and displaying information. To solve the search problem of searching for some ceramic pictures that cannot be described by text or voice, image search by image search has become a solution. This article combines the image processing of Python and OpenCV, extracts the image feature points through the SIFT algorithm, and obtains the target image through the feature point matching calculation to realize the search of the ceramic image and develop its APP.