1975～1976年,我们在西藏三个不同海拔高度地区调查了世居和移居高原居民的血象值。这三个地区是堆龙德庆县和拉萨市(海拔3658公尺)、江孜县(海拔4040公尺)以及那曲县的黑河镇和巴尔达区(海拔4500～4700公尺)。各个地区的血象调查结果已分别报告。本文将对此三个不同海拔高度地区的调查结果作一比较。由于高原低氧环境对人体血 From 1975 to 1976, we surveyed the blood values ​​of residents and emigrants in three different altitudes in Tibet. The three areas are Dulong Deqing County and Lhasa (3658 meters above sea level), Gyangze County (4040 meters above sea level) and Heihe and Balda districts (4500 to 4700 meters above sea level) in Naqu County. Blood survey results in various regions have been reported separately. This article will compare the findings of these three areas at different altitudes. Due to the plateau hypoxia environment on human blood