Focusing the bay area economy is Shenzhen implement the national "along the way" strategy and a strategic measure to promote the development of Shenzhen more high quality and a higher level. Actively integrate into the bay area economy, is a service of the city's development strategy, also grab seized the opportunity of development, accelerate the modernization and internationalization of the Bay Area metro construction of major initiatives. The on the basis of research on New York Bay and San Francisco Bay and Tokyo Bay and other world-class Bay area of the law of the development of, explore the connotation of the bay area economy and formation mechanism. On the basis of, this paper discussed the Baoan in Guangdong, Hong Kong and Macao Bay area of the role of strategic fulcrum and into the Guangdong, Hong Kong and Macao Bay area economic development ideas. <<