Abstract. As a coastal city, Ningbo is the main force to participate in the one belt and one road initiative. This paper analyzes the current situation of Ningbo international trade in aspect of composition of trade commodity, geographical distribution, the competitiveness of electromechanical and high-tech products. Based on 6 county-level cities panel data during 2005 to 2014, this paper also empirically studies the impact of trade on economic growth. The results demonstrate that Ningbo international trade has increased rapidly since 1985, its export or import market mainly concentrate in developed regions or close to Ningbo city, Ningbo exports labor intensive products and imports technology intensive ones, electromechanical products have stronger competitiveness. The empirical results prove a positive and significant impact of trade on economic growth.