Based on changes, fluctuations, and the impacts of domestic and international economic situation, the paper analyzes the macroeconomic situation of Shanghai in 2011. According to the trend of leading economic indicators and synthetic index, characteristics of industrial and financial, real estate, consumption, investment and net outflow of goods and services and so on, favorable and unfavorable factors of economy of Shanghai in 2011 are discussed. Using the decomposition method of contribution rate combined with time series analysis and econometric modeling, the actual growth of Shanghai's main macroeconomic indicators during 2011 and 2012 are predicted. <<