This is a series of Chinese teaching material specially designed for overseas middle school students, intended mainly for middle school students with English as mother language or 15-18-year-old second language learners. From framework design to selection and arrangement of language materials, this series of textbooks have absorbed the latest research results of language acquisition with Chinese as a second language, especially that of Chinese language acquisition with English as mother language. The content of the teaching material is natural, interesting, and in line with second language learning regularity.