Terminal image automatic matching method and system and storage medium

The invention discloses a terminal image automatic matching method and system, and a storage medium. The method comprises the steps of obtaining first image information and first screen information; acquiring second screen information, and calculating the second image information according to the first image information, the first screen information and the second screen information; respectively calculating a first color histogram and a second color histogram, and normalizing the first color histogram and the second color histogram to the same color scale space; comparing the similarity of the first color histogram and the second color histogram; if the similarity between the first color histogram and the second color histogram is lower than a preset threshold, moving according to a preset stepping distance and obtaining second coordinate information again; and executing comparison of the similarity of the color histograms of the original screenshot area and the target screenshot area. The problems that diff