摘要：Scientific innovation system is the backbone and engine of economic development and social progress as well as the foundation and backup of comprehensive national strengths and international competitiveness. Factors determining scientific innovation capacity mainly include the forming of an environment for innovation, the capital supply for innovation, innovation performances, innovation diffusivity, etc. The present paper is mainly studying on the capital supply for forestry scientific innovation and analyzing the capital supply capacity for forestry scientific innovation through the forming of scientific innovation capital, the effective supply of scientific innovation capital, the optimization mechanisms to promote the effective capital supply, etc.