This paper,by comparative study the operation experience of governance systems between Hong Kong and Shanghai,attempt to explore the developing trends of metropolis governance patterns of above two mega-cities.The Hong Kong city governance mode shows the character of combination of Pro-growth and government-leading trends.With the trend of regional governance,Hong Kong's governance range is across the administrative boundary.For the inside governance scope,the poly-centric and diversification are main elements.Shanghai macro structure of metropolis governance system presents the "combine" character,which means the mix-up of inside and outside governance.With the relatively independent factor in local administration sector,the multicenter trend in governance operation became more obvious in Shanghai city region. <<