在粤东闽南方言汕头话中 ,中古浊声母字除了上声之外 ,平、去、入三声字调类分化基本上是不论全浊、次浊均读阳调类 ,但上声的次浊字却读阴调类。而中古浊声母去声字又有读阴上和阳上的现象。本文对这两种现象进行了考察分析 ,并跟厦门、漳州、泉州和广州等方言的类似现象作了比较研究 ,提出了作者自己的一些见解 In eastern Guangdong dialect Shantou dialect, in addition to the voiced middle-aged voiced sound, the flat, go, into the three tone tone class differentiation is basically no matter total turbidity, secondary turbidity are read Yang tune class, but the sound of the times Turbid words have read Yin tone class. The Middle Voiceless initials have to read the word yin yang and yang phenomenon. In this paper, we investigate and analyze these two phenomena and make a comparative study with similar phenomena in dialects such as Xiamen, Zhangzhou, Quanzhou and Guangzhou, and put forward some opinions of the author himself