The HSK Vocabulary Master Level 1 to 4 includes 1200 words. The book is written for helping learners master all of the vocabulary in several levels in a short time. The HSK Vocabulary Master Level 1 to 4 (the second edition) uses a regular format to provide more content, including more example sentences, more analyses of HSK key points which are listed below the related entries, and vocabulary exercises given at the end of every unit which are in the exact same format as the HSK exam questions. Readers can give themselves a comprehensive and targeted intensive training for levels 1 to 4 of HSK vocabulary by using this book. Moreover, this book is divided into 21 units according to a daily vocabulary learning plan, so that candidates can make reasonable arrangements for review time to make great progress in a short period of time.