摘要：县域经济是国民经济的基础层次和基本细胞，县域经济的强弱直接影响着国民经济的兴衰，发展县域经济是繁荣农村经济的重要保证。本文从主导产业视角对溧阳县域经济发展进行研究，确定溧阳主导产业为黑色金属冶炼和压延加工业与电气机械和器材制造业，最后利用主导产业结构模型对溧阳县域经济发展提出对策，供相关部门参考。

关键词：溧阳市； 县域经济； 主导产业 

Abstract: County economy is the foundation of the national economy level and the basic cells,the strength of the county economy directly affects the rise and fall of the national economy,developing county economy is the important guarantee of rural economic prosperity. This paper researches on the economic development of Liyang county from the perspectives of leading industries,and makes sure that the leading industries of Liyang is black metal smelting and rolling processing industry and electrical machinery and equipment manufacturing.At last, This paper puts forward some countermeasures using a structure model on the leading industries of economic development of Liyang county put forward countermeasures to provide some good advices for the relevant departments.

Keywords: Liyang ; county economic ; leading industry