Sino-German financial cooperation projects began in the 1980s, containing both technique and finance areas. Sino-German cooperation projects not only produced the significant eco-efficiency and economic benefits by raising forest coverage, but also made Chinese forestry workers acquire new idea and technology of forestry. However, forestry infrastructure and technological information sevice are still imperfect, forestry policy is not suitable and follow-up funds are insufficient. The outcome and experience of Sino-German cooperation projects after 20 years were summarized through analysis the activities and social ecological benefits. Advanced forest management technology and improvement of forest management were introduced and capacity building was remarkably improved by implementing Sino-German financial cooperation projects. At last, the gaps appearing in the Sino-German cooperation were pointed out, and factors which constrained smooth implementation were analyzed in this paper. Sino-German financial cooperation projects began in the 1980s, containing both technique and finance areas. Sino-German cooperation projects not only produced the significant eco-efficiency and economic benefits by raising forest coverage, but also made Chinese forestry workers acquire new idea and technology However, forestry infrastructure and technological information sevice are still imperfect, forestry policy is not suitable and follow-up funds are insufficient. The outcome and experience of Sino-german cooperation projects after 20 years were summarized through analysis the activities and social ecological benefits. Advanced forest management technology and improvement of forest management were introduced and capacity building was remarkably improved by by Sino-German financial cooperation projects. At last, the gaps appearing in the Sino-German cooperation were pointed out, and factors which constrained smooth implementation were analyzed in this paper.