There are two strata of affricate and plosive in the initial Chong (崇) of Yue dialect, and the pronunciation of different dialect points is different. This paper divides and analyzes the spoken and written words of the initial Chong, and then explains the pronunciation evolution of the initial Chong according to the pronunciation types of the initials Cheng (澄) and Chan (禪) & Chuan (船). It is concluded that the original Cantonese is divided into two parts: Cheng-Chong & Chan & Chuan in the ancient voiced phonetic system, and the inner differences of Cantonese dialects caused by the sequence of evolution and external influence.