Abstract: Aqike valley is the east extended area of Lop Nur, Xinjiang. The investigation to ecological environment in Aqike valley including climate environment, water environment, soil environment and biology environment indicate some characteristic as follows. The weather in valley is extreme bad, belonging to typically variable zone and warm temperate zone continental climate. The water resources are very deficient, by ground water primarily, agrotype has brown desert soil, saline soil and flowing aeolian sandy soil,and all of them with hardly fertility potential commonly;biological species is sparsely,based on xenophile and halophyte hungriness community.Currently,impact of human activities on ecological environmentin valley are mining, tour, steal-hunting and brow se.Some advice, such as setting up overall conception, confining human activities, establishing ecological environment protection areas, paying equal attention to exploitation and maintenance of water resources, on protecting ecological environment in the valley are put forward finally.