Tricolor light helps children develop their interest in learning English through themed learning content, games, songs, ballads, crafts, multimedia and other diversified teaching forms, so that children can naturally acquire English in a happy pure English classroom atmosphere and form native language thinking. At the same time, b1gfun "content and language integration teaching method (cl1l)" is deeply integrated in our curriculum teaching, which scientifically combines the knowledge learned in the classroom with children's actual living environment, and "uses what they have learned" in children's cognitive time, so that children can continuously gain the sense of learning, generate internal learning motivation and maintain long-term learning interest.