Expo 2010 Shanghai is the first time focus on the city in history. The experience and practice of organizing Expo Shanghai has an important inspiration on the urban modernization of China. In the aspect of urban infrastructure construction，laying the new urban pattern，environmental technology and low carbon of energy-saving technology promotion，the legacy of 2010 world Expo is the most lucrative. It also became enlightenment to the citizen of China. Let us introspect “City，how to make life better？”