This article uses Robert C Higgins's sustainable growth model and the T inspection method to analyze the sustainable growth problem of the forestry listed companies in our country. The conclusion is that the actual growth rates of forestry listed companies are higher than the sustainable growth rate of them. And these companies were not in the position of sustainable development. Therefore, this article analyzes the main reasons that decrease the sustainable growth rate from four financial factors, which influence the sustainable growth ratio. On such basis, we put forward some reference proposals.