In the drought period of Lijiang River Catchment, the contradiction between the demand and supply of water resource was serious. The main reasons causing the water resource crisis of Lijiang River Catchment were the effects of geographical environment and climate, the rapidly increased demand of industries, agriculture and people' s life to water resources; unreasonable forest stand structure on the upper reaches, the poor water conservation capacity of forest stands, illegal harvesting of forest, destruction of forest for land reclamation, exhaustion of water conservation forest, etc. To coun...