| The three groups of initial consonants in Qieyun,Zhi,Zhuang and Zhang,are important links in the formation of modern Chinese.In Modern Chinese,these three groups of initial consonants have been merged into a set of pronunciation.In the Min dialect,Zhi,Zhuang and Zhang are three groups of initial consonants,presents the consistent and the difference interweaves the situation.In this paper,according to the rules of phonological type and homophonic consonant combination in dialect investigation table,the three groups of initials,Zhi,Zhuang and Zhang,are arranged in the southeast Min dialect,northeast Min dialect,south Min dialect,north Min dialect,Middle Min dialect and Puxian dialect of Min dialect,in each period,the pronunciation type and the division and combination situation in the single material are described in detail,and the performance rule is mainly divided into two types,and there are mixed words.This paper makes a diachronic and synchronic comparison of the division and combination of three groups of initial consonants in Min dialect since the Ming and Qing dynasties,using the methods of historical comparison,documentary reference and dialect circumstantial evidence,etc.,it is believed that the phonetic factors,such as the internal evolution of the language system and the popularization of the common language,contribute to the consistency of the two types of the three groups of initial consonants in the Min dialect,language contact may lead to differences in pronunciation types and division.In addition,social factors,such as migration,will also affect the three groups of initials in the Min dialect. |