在科学技术和生力工具都不发达，而国家岁入又主要仰仗农业经济的古代，劳动力是极重要的生产力量。对国家财政来说，人口和土地一样，都是至要的收入来源（人头税、徭役、田赋），所以一些英智的统治者都很重视人口问题。增加人口的主要途径，一是清查隐户，检括户口；二是招? In the age of science and technology and tools of vitality are not developed, and the country’s annual income mainly depends on the ancient agricultural economy, the workforce is an extremely important productive force. For the state treasury, population and land are all the most important source of income (head tax, military service, land tax), so some wise intellectual rulers attach great importance to population issues. Increase the population of the main ways, one inventory of hidden households, seizure accounts; the second is recruit?