Shuifa Ke1,2, Zhangchun Chen1, Tierui Zhao3
1. School of Agricultural Economics and Rural Development, Renmin University of China
2. Collaborative Innovation Center for Rural Reform and Development
3. School of Economics and Management, Beijing Forestry University

According to the data of Chinese forestry economic development from 1978 to 2011, the impact of labor input, forestry investment, afforestation area, technology progress and property system on forestry economy growth were analyzed by using the Gray Correlation Model. The results showed that The order of its impact on the forestry output value is capital investment，property system, afforestation area, labor input and technologies progress. The correlation coefficients of above-mention factors input above are 0.830188917, 0.889606036, 0.808583418, 0.85912535 and 0.838668612. It means that forestry capital investment become a major factor which contribute to the forest economic growth, forest property system also play a positive role in forestry economic growth.