Abstract: The single planting mode of eucalyptus is easy to cause soil erosion, frequent diseases and insect pests and other problems. It is necessary to actively develop the intercropping of precious tree species under eucalyptus forest to promote the sustainable development of forestry industry. This paper analyzes the current situation of planting precious tree species under eucalyptus forest,and puts forward solutions to the existing problems, in order to promote the economic development of forest region.