(马勇 ,等 .中国行为医学科学 ,2 0 0 4 ,13(2 ) :2 0 4～ 2 0 5 )　　高原低氧、低气压等综合因素导致移居者机体各项生理功能降低 ,海拔越高 ,缺氧程度就越重 ,低氧暴露时间越久 ,人体生理功能的衰退就越甚。高原慢性缺氧不但会导致人体发生脏器功能性低下 ,甚至会发生器质性 (Ma Yong, et al., Chinese Journal of Behavioral Medical Science, 2004, 13 (2): 204 ~ 205) The combination of hypoxia and depression in the plateau leads to the reduction of all physiological functions of the migrants, High, the greater the degree of hypoxia, hypoxia exposure time, the more the decline of human physiological function. Chronic hypoxia will not only lead to human organ dysfunction, or even organic