Analysis of China's Population Flow between Urban and Rural Areas and the Reform of Public Health Old-Age Insurance System under the Background of Sustainable Ecological Environment

The future impact of population development trend on social security is extremely huge and far-reaching, to conform to the law of population mobility to adjust the relevant policies, this study is for the urban and rural flow of the Chinese population, and the public health endowment insurance system analyzes the implementation status of PHEI of China's floating population and the existing problems of labor dispatch and employee endowment insurance system. Questionnaires were distributed to 3000 high-quality migrant workers who participated in the training of high-quality migrant workers in 6 cities in Central China where labor export is concentrated and 1000 fresh graduates from agricultural colleges and universities; through the bivariate t-check model in SPSS software, this study analyzes the needs of landless farmers, agricultural scientific and technological talents, and employed people for the living environment. The results show that from the population outflow and population inflow process there has been certain influence on the sustainable ecological environment; this study puts forward the reform of public health endowment insurance system of floating population, the strategy means in accelerating the rural talent revitalization, for the sustainable development of rural areas that has a significant positive effect.