Abstract:Based on the citation data of China national knowledge network (CNKI) for green finance from 2000 to 2020, this paper use CiteSpace to analyze and visualize authors, institutions, hot words and their evolution trends.The findings are as follows :(1) around 2000, green finance began to attract the attention of the Chinese academic circle. In 2016, the related research literature increased dramatically, and the research trend was significantly affected by global changes and national policies.(2) many experts, scholars and research institutions have participated in the research on "green finance", and a series of research results have been produced;(3) the research on green finance is deepening, and the research methods, topics and perspectives are more diversified, but there are still few micro empirical studies.In the future, the research on green finance will be deepened and expanded in micro mechanism, product innovation research and system design.