Through the study of the population theory and the economics analysis of the population problem , the author attempt to find the reason of enormous population cardinal number and inappropriate growth in china , in order to provide the decision foundation for the solution of the " san nong " problem 试图通过对人口理论的研究和对人口问题的经济学分析，找到我国人口基数庞大和非适度增长的原因，从而为“三农”问题的解决提供决策依据。
This essay presents the theory of appropriate poverty population , from the development course of poverty population to explain realistic certainty for the existence of poverty population , and probe into the relation between the question of poverty population and economic development in another way ; sum up the methods to estimate poverty population , explore the method to measure appropriate population below the poverty line 本文提出适度贫困人口理论，正是想从阐述贫困人口的发展历程及其存在的现实必然性，从另一个角度探讨贫困人口问题与经济发展的关系；概述测度贫困人口的方法，并探讨衡量适度贫困人口的方法。
