Along with the process of population aging, how to protect the old man’s life rights in the aging aggravated situation and enjoy a life in the retirement. This is an important social problem in china and the world. However, in our country the urban-rural dual structure under special conditions, the contradiction of urban and rural basic endowment insurance system differences is especially serious.According to contrast the urban and rural basic endowment insurance system, the article deeply discusses their differences and the reason behind the scene. It is to find the specific ideas and measures for coordinating development between urban and rural basic endowment insurance system, and to provide some theoretical reference for perfecting social security system in china.The paper firstly researches and compares with macroscopic differences of urban and rural basic endowment insurance system, for example, set up time, supported policy, system modes and so on, which is based on summarize the current status of research in home and abroad. Next, the paper comprehensive uses the absolute difference and relative difference of two kinds of measuring methods, takes Chengdu city in Sichuan province as an example, which is the urban and rural comprehensive reform pilot area, elaborates microscopic differences of urban and rural basic endowment insurance system on per capita endowment insurance fund income, per capita pension and the pension replacement race. The result shows that total differences of urban and rural basic endowment insurance system in Chengdu are obvious, specific performances are the total variance in expansion of urban-rural per capita endowment insurance fund income, per capita pension; Relative difference reflects that the difference degree of urban and rural basic endowment insurance system in Chengdu is reduced, main performances that relative differences of per capita endowment insurance fund income, per capita pension and pension replacement rate between urban and rural are gradually reduce.On the basis of analysis differences, combining with the related information and historical data, the article discusses the main influence factors of urban and rural basic endowment insurance system. The research shows that the responsibility of the government is very important to macroscopic differences of urban and rural basic endowment insurance system, GDP per capita, difference of urban and rural income, the number of urban and rural labor changes are the main reasons of microcosmic differences about urban and rural basic endowment insurance system, but in the increase of financial expenditure and the rate of urbanization are not directly bring about apparent change of urban and rural microcosmic differences.In comprehensive consideration of various factors, the research provides some suggestions and measures to narrow the gap of urban and rural basic endow insurance system from the responsibility of the government, economic development, security level, urban-rural dual structure, old-age insurance system convergence and so on. |