Introduction: California interactive American English is a brand authorized school of live interactive American English. The education brand of live interactive American English is established in 2007 by Taiwan's LiveABC Interactive English teaching group. The LiveABC Interactive English teaching group was founded in 1997 in Taiwan. It has the most professional teaching research and development team and the most suitable e-learning platform for learners. It has won many awards at home and abroad for 17 consecutive years We are sure to provide complete program planning services for children, children and advanced English learning, with the most professional teaching material R & D and curriculum planning team known around the world. LiveABC is the first digital language learning and publishing group in Taiwan. It covers all countries in Asia, Europe and the United States. It provides children's and adults' learning systems and courses. This year, LiveABC joined hands with Cambridge Examination Institute to establish teacher training and certification, which aims to create the most suitable language learning platform for young children. At present, there are more than 1500 learning centers around the world.