Moves towards old age and developed country population old agedevelopment while the world population, the Chinese population old agealso is intensifying. The population old age production, is preciselythe society progresses, the economical development result. The Chinesepopulation transforms was generally considered the beginningestablishes new China, at first was the mortality rate obviously andrapidly drops. But the nationwide fertility rate transfers 变则 thebeginning to 20th century 70's initial period country birth controlpolicy involvement, and rapidly changes the low fertility rate levelby the high fertility rate level. Thus, the population old age hascaused the question which the labor force population burdenunceasingly increases, has affected our country social economydevelopment, and to corresponding material and the spiritual variousaspects and so on infrastructure, legal system construction set thenew request. Had issued in view of this situation nation old age committee "theChinese Old age Enterprise Develops" 十15 "Plan", proposed "十15"period, China is caring for the aged the safeguard, the medicalsafeguard, the social rescue and so on, as well as the old ageenterprise infrastructure construction, the old age industry, aspectand so on old age spirit culture life must realize goal and duty. Wealready must correctly understand the Chinese population old ageformation reason, the basic characteristic, the development tendencyas well as possibly produce the social economy consequence, needs toclarify the population old age to the social economy movement and thesustainable development influence. Only this, can enhancepolicy-making the scientific nature and the feasibility, solves thegood population old age problem, for implements the sustainabledevelopmental strategy creation advantageous population to the population old age scientific connotation limits, isclear about the our country population old age origin. Through topopulation old age evolution process research, key elaboration ourcountry population old age characteristic and its to economy, societyand family and so on various aspects influence, thus solves owninsufficiency, proposes the solution population old age questioncorresponding countermeasure measure. 关键词:Key word: Population old age population burden old age social securitysustainable development