Financial agglomeration in regions can impact green economy development in China. By using a special method to measure economic growth and environmental factors, researchers found that there is a specific range where financial agglomeration can help green economy grow. However, too much or too little financial agglomeration can have negative effects. The impact of financial agglomeration on green economy development is not the same everywhere and can vary in direction and significance. This means that there is a specific point where financial agglomeration has the most positive impact on regional green economy growth.