Following test syllabus of HSK, Frequency-based HSK Vocabulary is categorized as 1-3 levels, 4 level, 5 level and 6 level, collecting all the words in syllabus. Based on the management and analysis of past examinations of HSK, it is divided into super high-frequency words, high-frequency words, low-frequency words and zero frequency words. All the model sentences take reference on past exam papers in order to help readers better understand the key points of examination and mainly grasp key words or difficult words. The book is the 6 level with both Chinese and English.