To speed up the forestry ecological building is the strategic choice of the economy and society sustainable development and the key of the harmonious development between person and nature. However nowadays China still faces many problems in ecological construction that are seriously hindering the sustainable development of forestry. This article utilizes the combination method of theory and reality, on the foundation of analyzing our forestry ecological building present situation, develops the special study and research to the problem in forestry ecological building and the sustainable development. We propose to carry out the scientific development concept comprehensively and deepen reform innovation mechanism, to speed up the advancement of forestry financing multiplication channel, to encourage and attract companies, individuals and social groups to invest in forestry, to promote the support ability of the technology to the sustainable development of forestry, to strengthen all the people's ecology consciousness to realize the economy and society sustainable development.