1. Research and application of image recognition technology based on neural network II. Research on the application of cloud computing technology in mobile application development III. Research on Social Network User Behavior Based on Big Data Analysis IV. Research on the application of virtual reality technology in game development v. Design and optimization of music recommendation system based on machine learning. Practice and exploration of blockchain technology in financial field. Design and implementation of home control system. Applied research technology of medical image processing. Research and practice of massive data management and analysis technology 10. Design and implementation of customer service system based on machine learning.