Abstract: Under the background of supply-side structural reform, Jinjiang Model, as one of the representatives of county economic development mode, has its own unique development conditions and characteristics. Through the comparison of the characteristics in Jinjiang Model, Wenzhou Model, Sunan Model and Pearl River Delta Model, and according to the growth model of total factor productivity based on 1999-2017 economic data of Jinjiang city, this paper calculates and analyzes the contribution rate and characteristics of capital, labor and total factor productivity to Jinjiang's economic growth in different periods, then summarizes the dynamic mechanism of which promotes Jinjiang Model to realize the sustainable growth in the economy.