关 键 词 ：沁阳方言；中古精知庄章组声母；演变；变异学科分类：语言学--汉语研究
The evolution of “Jing Zhi Zhuang Zhang”（精知庄章） initias is an important phonetic phenomenon in the development of Chinese dialects, and it is also a linguistic difficulty that cannot be avoided in the process of studying the Jin language（晋语） in northern Henan. Taking the Qinyang dialect as an example, it is found that the development of the vowels of the “Jing Zhi Zhuang Zhang”(精知庄章） group in the Qinyang dialect has been experienced: Gao Benhan divided it into two categories. By the twenty-first century, it had undergone a change from dichotomy to unity. This situation is mainly affected by a double impact, on the one hand, from the promotion of evolution by internal factors, and on the other hand, by the variation caused by linguistic contact.