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Tea industry is a traditional characteristic advantageous industry in China, and the integration of new generation information technology and agriculture, such as big data, Internet of things, cloud computing, etc., promotes the transformation and upgrading of the tea industry to intelligence, and plays an important role in empowering and increasing the efficiency of the whole tea industry chain. On the basis of an overview of the tea industry intelligent technology system, the domestic and international research was summarized based on the application of information technology in the tea industry intelligence around the four aspects of planting, processing, testing and sales, and the key technologies to achieve intelligence in the tea industry was analyzed. Finally, it was looked forward to the future development direction of tea industry intelligence, and suggested to enhance the tea industry information technology infrastructure construction, strengthen the research and development of intelligent tea machine equipment for human-machine collaboration, pay attention to the development of tea planting and processing models, and enhance the ability of big data analysis to help tea sales, in order to lay the foundation for better use of information technology for tea industry upgrading.