The U-Class smart classroom interactive system large-screen teaching terminal is a client application specially designed and developed for teachers to teach in the classroom. Through in-depth integration of software and hardware with smart large screens, it can be used as a unified entrance to teaching, opening up all links before, during and after class, fully integrating high-quality content resources, innovating teaching interaction models, connecting virtual and physical spaces, and taking into account different teachers’ usage habits of blackboard writing and electronic blackboard retention, various classroom interactive tools, multi board interaction, remote interaction and other teaching applications support teachers to carry out different types of classroom models such as blended teaching and student inquiry learning. At the same time, based on the understanding of the classroom, real records are collected and analyzed by AI to promote the intelligent and refined development of educational content, teaching methods, teaching management and evaluation.