In the context of carbon neutrality，the sustainable development of enterprises has attracted extensive attention from the society. Domestic institutional investors have deepened their understanding of ESG investment concept，and more and more mutual funds have participated in ESG investment. This paper analyzes the current situation of Chinese mutual funds’ ESG investment from many aspects，including macro environment，investment scale，investment strategy and investment return，and gives suggestions and prospects for the development of Chinese mutual funds’ ESG investment by drawing on overseas experience. Based on data，China’s ESG investment funds are dominated by “quasi-ESG funds”，and their scale has accelerated since 2020. China’s ESG investment funds are heavily invested in the equity market and especially favor the industries like electrical equipment，electronics，biomedicine. The majority of China’s ESG investment funds posted higher returns compared to the market benchmark. Looking to the future，with the further improvement of the superstructure related to ESG investment，the penetration of ESG investment concept will accelerate，the investment scale of Chinese mutual funds ESG will continue to expand，and the investment methods will continue to innovate and diversify.