用减压舱模拟3500m、4500m低氧环境，对平原地区11名健康男性青年采用行为功效及劳动力测定，用测定所得的分值，为脑一体工作能力定量评分。结果显示：在3500m和4500m.工作能力得分较300m平原降低了17.9％和33.7％，且以体能下降为主，两个高度体触的降幅分别是23.7％和31.2％ Using decompression cabin to simulate 3500m, 4500m hypoxic environment, behavioral efficacy and labor force were measured on 11 healthy male youth in the plain area. The scored value was used as the quantitative score for the work ability of the brain. The results showed that at 3500m and 4500m, the working ability scores decreased by 17.9% and 33.7%, respectively, compared with the 300m plain, and the main physical decline was the decrease of 23.7% and 31.2% respectively at the two heights.