As the first of the four national treasures of China, Beijing Opera is the crystallization of the Chinese nation for thousands of years. With the change of the times, less and less people pay attention to traditional theater anymore. In the face of this current situation, the use of traditional culture combined with modern technology while using the power of technology to bring more infection and inculcation to the development of Beijing opera culture.This device is based on Arduino to realize the interactive behavior between Beijing opera faces and users, combined with Unity3D and AR augmented reality technology to achieve facial recognition to realize the transformation of Beijing opera faces, dedicated to inheritance and innovation of traditional culture of Beijing opera in the form of communication, with the help of digital technology to show the charm of Beijing opera and create the modernization of Beijing opera art and culture.