The deteriorated forests and their features in Huangguoshu Scenic Spot are elaborated. On the basis of forest and site factors,the deteriorated forests in this region are divided into five types: low yield econom ic forest, deteriorated deciduous broadleaf forest, deteriorated evergreen theropencedrymion,deteriorated arbuscle,deteriorated bush in limestone.The last type can be divided into closed forestland facilitating forestation and vegetation recovery on difficult sites. Management measures to improve deteriorated forests include hillside closure, filling and improving, forestation and forestry diversification. Taking into consideration the conditions of the region's environment, society and econom ics, these management measures are put forward with proposals for ecosystem construction based on ecology, production and sustainability in Huang guo shu Scenic Spot and karst regions generally.