近年来,民间投资已成为我国经济持续增长的动力。本文运用西方经济学理论,结合广东省数据,对民间投资对广东地区生产总值增长、财政收入、就业及市场化进行分析,同时利用广东省1993～2010年民间投资数据进行实证检验和回归分析。结果表明民间投资对地区经济增长效应明显,有正向促进作用。基于实证结果,本文得出结论:发展民间投资符合经济发展规律,有利于拓宽经济增长渠道。 In recent years, private investment has become the driving force of China’s sustained economic growth. Based on the western economic theory and the data of Guangdong Province, this paper analyzes the growth of non-government investment in GDP, fiscal revenue, employment and marketization in Guangdong. At the same time, it conducts empirical test and regression analysis based on the data of private investment in Guangdong Province from 1993 to 2010 . The results show that private investment has obvious effect on regional economic growth and has a positive role in promoting. Based on the empirical results, this paper concludes that the development of private investment is in line with the law of economic development and is conducive to broaden the channels for economic growth.