Abstract:From the perspective of better serving the High Quality Development of the Belt and Road Initiative，Shanghai should first strengthen its development power. According to the blueprint of Fourteenth Five Year Plan of Shanghai，which will set the agenda of the local economic and social development in the forthcoming period of 2021-2025，that Shanghai will make comprehensive efforts in strengthening its role of “Four Functions” in the new development pattern stage，which is also defined as dual-circulation mode. Under the new development pattern，the Gateway Open Hub as one of the “Four Functions” needs to be empowered with extraordinary new functions and contents. It is necessary to rethink its policy connections with other opening-up mechanism with a systematic thought，and finally to reshape and upgrade Shanghai’s previous Bridgehead Role in the BRI. Shanghai，at current stage，needs a new mindset to consolidate and upgrade its position in promoting high-end resource gathering，high-level market system，facilitating economic factors internationalization etc.