Abstract：The urban waterfront activity is an important issue. Battery Park City is one of the most active waterfront areas of New
York. Firstly, it utilizes survey data of BPC, exploring which physical spatial factors support such characteristics and
fnding some key things that infuence waterfront vitality. Secondly, it discusses the accessiblity support of Manhattan to
BPC. Based on these, and considering the current problems of typical waterfront areas along Huangpu River of Shanghai,
it proposes several strategies to improve urban vitality. Finally, it points out that only when the public spaces of inner-city
and waterfronts are combined to be the whole system, the waterfront vitality is possiblely lasting for a long time.