The “13th Five-Year” planning of Ningbo suggested the develop priority of “One Round and Three Centers”，the port economic circle of which could not do without a bunch of significant functional platforms. In the condition that international function organizations are accelerating the settle down in China，the paper put forward the “some introduced，some planned and some cooperated” strategy and the countermeasures for Ningbo on the expansion of international function platform and promotion of the gather and radiation power of the port economic circle，in the fields of cooperation of port development，trade logistics and cultural exchanges.