| With the advent of the knowledge economy and Chinese urban economic development, the trend of modern service industry gathering development is more obvious. The voice of many cities on the construction of modern service industries concentrated and CBD rise. There is the phenomenon of blind construction on the development plan of the modern service industries concentrated in some areas. This paper is to explore the CBD'clustering effects on the development of modern service industry in order to regulate their construction. First of all, I referred a large number of documents based on the CBD and modern service industries, then I concentrated on their development of the meaning, characteristics, classification and related theories; Secondly, I explored the relationship between them, This paper argues that the of CBD offers the external economy for the development of modern service' accumulation, urban CBD is a major concentrated spatial carrier of the development of modern service industries, the modern service industry is the leading industry gathering forms of CBD, CBD and modern service industry concentration show the complementary development relationship; Again, this paper focuses on the CBD's clustering effect mechanism for the development of modern service industry, these are business gathering, location selection, affection of the function and the enhance of energy level.. In the process of the CBD's formation and development, the Government play a major role. the government playing the economic role, from this point of view, this paper put forward the relevant government policy recommendations. Finally, this paper analysis Hangzhou's existing CBD and the development of modern service industry clustering, do research on the CBD's effect mechanism on the development of modern service industry, then the author proposed the government's corresponding policy recommendations, by regulating the construction of CBD to achieve a better clustering development of the modern service industry. |