China’s Social Security: Development and Prospects——Based on Research Methods of Social Systems
Zhang Yun

Abstract
China's social security system has been initially created from 1950s, now more than 60 years of history. In this course, formative stage of labor insurance consisting mainly of social security, social security-oriented stages of reform, with the goal of balancing urban and rural development and system innovation. Development of the social security system has made significant progress, mainly in: the benefit of communities and greatly expanded coverage of social security, social security benefits significantly improved, the new social assistance system has been basically formed. At present the main problems are: the diversity of the social security system have been existed, significant gap between security groups; social security fund balance faced big challenge, management mechanism and operation mechanism is not perfect and the institutional lack of capacity. Most studies on the development of China's social security are qualitative point of view or theoretical overview, few scholars described the development process of China's social security from the perspective of system theory .In this paper, from the sociological point of view, the system is based on four principles of social research methods, make a simple sort for the development of social security system in China, described social security system achievements and problems, looking forward to the future of social security system.

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