Abstract: In order to achieve sustainable management of water resources conservation forest in the Qilian Mountain, improve the unreasonable forest structure and increase function of the ecosystem. On the basis of field investigation, using the method of ecology, the author analyzed the problems existing in the Qilian Mountain water conservation forests ecological restoration and protection, such as stand density, low quality, divided, poor natural regeneration, plant diseases and insect pests and management system and so on. Countermeasures were proposed. In order to increase the productivity of Qilian Mountain water conservation forests ecosystem and self-sustaining capacity and environmental capacity, the author suggested that strengthen the function of the ecological environment, safeguard the sustainable development and social economy of Qilian Mountain and Hexi Corridor. People should establish a long-term protection mechanism, carry out the artificial afforestation, scientific management, strengthen vegetation restoration technology research and promotion.