Kuaile Hanyu literally translates to Happy Chinese, is a set of Chinese teaching materials specially compiled for teenagers. Kuaile Hanyu is initially designed for Britain middle school student aged from 11 to 16. Therefore, it suits the psychological level and learning requirements of young learners. It has fun content while it uses few and simple words to covers topics of school and daily life. The entire set consists of a student’s book, a teacher’s book, a workbook, flash cards, wall charts and CDs. Hence practical choice for teachers and students.