The Sustainable development of economy is an important guarantee for the improvement of the comprehensive strength of the country or region. Studying the contribution rate of relevant factors contributing to economic growth is of great significance to the transformation of economic growth mode and the correct coordination of resources investment to promote economic development. According to the economic growth model and Douglas production function, the author chooses the relevant data of 19962017 economic development in Anhui Province to set up production function, analyzes the contribution share of each economic growth factor, and shows that: Anhui Province’s economic growth focus relies on capital investment, the labor force is increasing, but the contribution rate of labor force In the process of economic development, we should balance investment, technology and labor, invest rationally, optimize investment structure, encourage innovation and application of science and technology, and attach importance to human capital cultivation.