Will between January 2018 and December 2018 in lanzhou, and so on more than 1500 meters above sea level in qinghai region 10 intensive care patients with ARDS, respectively according to the standard in Berlin, Berlin, diagnosis of high altitude ARDS calibration standards and zhang the plateau region in western China put forward by the diagnosis of ALI/ARDS severity classification, observation group patients were ICU mortality, within 28 days, ICU mortality did not use breathing machine time, mechanical ventilation, ICU length of hospital stay, and the differences in hospitalization days.

