中 国正在向全面建设小康社会迈进。人们的生活水平提高 ,是看得见摸得着的身边现实。人的平均寿命随着健康老人的增多而逐年增长。长寿族越来越多了。《左传·僖公三十二年》讲到“三寿” :“上寿百二十岁 ,中寿百岁 ,下寿八十岁（孔颍达疏）。”这是中国人最早关于人类寿命预 China is moving towards building an overall well-to-do society. The improvement of people’s living standards is a reality that is visible and tangible. The average life expectancy of people increases year by year with the increase of healthy elderly people. Longevity is more and more. “Zuo Xi Gong thirty-two years,” referred to “Three Life”: “life of a hundred years old, middle-aged life, the age of eighty (Kong Yingda sparse).” This is the earliest Chinese people on human life expectancy Pre-