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With the continuous development of electronic technology, the traditional human-computer interaction is to be changed and extended, and gesture recognition as one of the most typical applications attracts more and more attention. This article realizes the basic gesture recognition technology based on the embedded platform with correlation algorithm. It uses the camera for gesture acquisition, and STM32 MCU to realize the image subtraction segmentation and denoising processing, and finally achieve the real-time location and identification of gesture in short distance. The game of Russia box is controlled, and the effectiveness of recognition system is verified. It shows much ease of gesture operation and the user will gain a brand-new experience.