Green finance helps the development of low-carbon economy, which is not only a reflection of actively assuming environmental protection responsibilities and meeting the requirements of national energy conservation and consumption reduction indicators, but also a reflection of adjusting economic structure, improving energy utilization efficiency, and building ecological civilization. Henan Province is a province with large population, agriculture, industry and energy, and is one of the important economic regions in China. Firstly, relevant studies on green finance and low-carbon economy was sorted out, followed by correlation analysis based on historical data of Henan Province, and finally the specific situation of green finance and low-carbon economy development in Henan Province was discussed and analyzed, so as to explore the realization path in line with the current goal of Henan’s green finance to support low-carbon economy transformation.