The book applies modern linguistic methods and takes Cantonese as a complete language system to comprehensively discuss various manifestations of Cantonese grammar and similarities and differences between Cantonese phonetic system and various phonetic transcription systems in terms of vocabulary, morphology, syntax and other aspects.On the one hand, it can be used as a textbook for studying and learning Cantonese and let readers have a more complete understanding of language characteristics of Cantonese; on the other hand, it explains abstract theories with specific linguistic facts that readers are familiar with. It can not only introduce characteristics of Cantonese, but also popularize basic principles of linguistics. It also suitable for all ordinary readers interested in Cantonese to read.