Based on our research team’s abundant accumulation of studies on smart city and also drawing the support from the well-established evaluation and ranking of PwC，Economist and etc.，our team has conducted a number of interviews and data collection and accomplished this report on the evaluation index and ranking of smart cities. Our major goal is to provide quantitative support and global benchmark for the ascending “smart city”. According to the standards of global influence，regional and cultural representativeness，we chose 20 cities as our target city for study. Based on the transparent and free access to information as well as extensive and safe transmission of information with the support of ICT，smart city is to promote the efficiency of city process and governance and improve the public services，and eventually build a brand new urban form. Our report takes multiple evaluation factors into consideration and concludes three main aspects of smart city：smart infrastructure，smart economy and smart governance. Shanghai is ranked as 15th，which reflects that all dimensions of smart city require long-term accumulation. City can achieve its economic growth in a relatively short term，but the integration of complex systems needs much longer. Shanghai is facing challenge of further breaking monopoly，providing cutting edge information infrastructure，improving social organization and promoting market-oriented content industries.