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Based on the Cobb–Douglas function, the research is about the economic growth driving forces of Yan'an city during 2000 to 2015, which has shown that capital input has made a dominant contribution, whereas labor input has made a negative affect on economic growth of Yan'an city. On the other hand, the results have shown that the drop of oil price impacted on Yan'an economy severely due to the improper economic transformation. On the other hand, the ineffectiveness of labor resources has become the essential problem owing to the input structure of capital and labor resources. It is proposed that the improvement on the accumulation of labor force to the economy through the accumulation of human capital should be able to change economic growth structure in Yan'an, so as to gradually achieve the transformation of its economic structure.