This paper sorts out the situation of fixed asset investment last year，especially real estate investment and infrastructure investment and industrial investment. Considering the investment environment and the progress of major project，This paper provides suggestions for investment regulation in 2021. We believes that the supply factor of investment will face challenges and difficulties，but the potential investment demand is still strong considering the influence of the “dual zone drive” strategy in 2021. this paper propose The regulation of investment should expand precise and effective investment actively，focus on increasing efforts to make up for shortcomings in key areas，accelerate investment in big projects，strengthen supplement of land and funds，and guide social resources to increase investment in high-tech manufacturing，promote the reform of investment and financing systems and mechanisms，advance the stable development of investment and strive to optimize the investment structure and high-quality development，and provide important support for enhancing the long-term competitiveness of this city.