重纽现象是汉语音韵学中一个极其重要的问题,是近年音韵学研究中的热点问题,同时也是充满争议的问题。本文主要以中古重纽为研究对象,将有关重纽的几个集中问题进行了归纳总结。 The phenomenon of heavy knobs is an extremely important issue in Chinese phonology and is a hot issue in the research of phonology in recent years. It is also a controversial issue. In this paper, the main research object for the Middle Weight, will focus on several issues focused on the summary.