“长寿”是人们所共有的愿望,而影响寿命的因素却很多,除了人们熟悉的营养水平和医疗条件外,居住环境的卫生水平也是不容忽视的一个方面。住宅的卫生条件对寿命有直接影响,据上海卫生调查资料:1951年调查上海两个旧社会遗留下来的“贫民住 ”Longevity" is a desire shared by people. There are many factors that affect life expectancy. Apart from people’s familiar nutrition and medical conditions, the health level of the living environment is also an aspect that cannot be ignored. Residential sanitation has a direct impact on longevity, according to the Shanghai Health Survey: 1951 Investigating the “Poverty Residents” Left Behind by Two Older Societies in Shanghai