Climate finance is a financial solution that has emerged to address climate change and develop a low carbon economy and is a significant trend in the development of modern finance. The article mainly reviews and prospects climate finance related issues. Research has pointed out that from a global perspective, climate finance has emerged with the emergence of global climate change issues and will inevitably develop with the deepening of global efforts to address climate change. Climate change mitigation, adaptation, and marketization of climate friendly technologies will be the three major areas of climate finance support. The financial ecological environment and its various factors in the Beijing Tianjin Hebei region have overall positive effects on economic development, but the effects of each factor vary. The financial ecological environment has a positive promoting effect on the growth of economic aggregates, the tertiary industry, and urbanization, and has a significant impact on the growth of economic aggregates and urbanization. Insufficient support for the primary industry has a negative impact on the growth of the secondary industry.