People often analyze the content and items of social welfare from the perspective of economic policy and democratic political rights. They think that the arrangement of social welfare items and the expenditure of social welfare should be subject to the state's financial revenue. Social welfare is a basic political right of citizens. Various types of social welfare reflect the ideology of these countries. In fact, the social welfare of a country is often the product of its social relations and social structure. Different social welfare settings do not lie in economic or political factors, but in the specific social structure of these countries. To analyze social welfare from the perspective of society is to regard welfare as an organic part of the whole social system. This paper holds that welfare and society are embedded each other, and efforts are made to analyze the items and contents of social welfare that are adapted to the specific social structure, and to explore the influence of the arrangement of social welfare system on the whole social structure, social organizations and social strata, so as to accurately put the social welfare system into practice Grasping the logic and functional commonness of welfare and society can well explain the differences between Chinese and western social welfare systems, and provide theoretical and methodological guidance for the ongoing social welfare reform in China.