Based on macroeconomic data of Shanghai before and in 2017，we analyzede the aggregate and structural economic index variable，concluded Shanghai's macro economy in 2017 had the following characteristics：macro economy was rising persistently，economic structure was basically stable；The three demands were in force，and the economic growth energy was diversified；The economic efficiency continued to improve and every subject got their own profit.Combining domestic and foreign macroeconomic situation，we expected that the Shanghai economy will be operating on the same level 2017 with last year.The probability of being in the benchmark stale in 2018 is 72.5 percent，and the growth rate will be at 6.7 percent.Under the present and future circumstances，Shanghai need to insist on “four stability”，strengthening “making progress while maontaomong stability”，focusing on “three promoting” to reinforce economic foundations，and continuously promoting technological and institutional innovation.