Abstract: The forestry development has to face the issues of ecological management for difficult sites in these areas of barren mountains,geologic hazards,stony desertification and environmental deterioration of mining areas.For the double- increase goal of forestry,we should study and discuss about the improvement of the mountainous areas by afforestation.The improvement of the mountainous areas by afforestation should be included into the main functions of the forestry management and the support systems of policy,fund and technology should be set up.The bio-measures should be taken with the engineering measures in the improvement of mountainous areas by afforestation.

Key words: mountainous area, forestry, improving the mountainous areas by afforestation, suggestion