Green infrastructure is the combination of natural ecological infrastructure and half nature municipal green space, which improves the ecological environment and biodiversity conservation as well as provide new economic growth point. This study attempts to build a green infrastructure economic value evaluation index, estimate the economic value of China’s green infrastructure from 2004 to 2015, explore its regional distribution, and further using the grey model to predict the Green infrastructure economic value of 2016, 2020 and 2025, in order to raise people’s awareness of green infrastructure, provide reference to construction and improve the green infrastructure in urban planning.