Bohai Sea Rim occupies extremely important strategic status in our country overall economy development pattern. It is becoming Chinese new economy growth polar after the Zhujiang River Delta and the Yangtze River delta.In contrast with the other domestic economic regions，Bohai Sea Rim have advantages such as the geography position superior，the natural resource rich，developed the land，sea and air transportation，the abundant infra-industry and the technical strength，the strong backbone urban cluster，and so on，which has provided the broad development space for the regional economic cooperation，the crosswise union，the superiority mutual supplementary. The finance is the modern economy blood vessels，in the regard of driving element of production flow，realizing resources optimized disposition. It acts the strong character. The region finance relation and the cooperation strengthened plays the vital role of promoting the region economy coordinated development.Therefore，Bohai Sea Rim financial cooperation must advance.