关键词: 社会保障, 仁慈, 正义, 道德基础

Abstract: Being a social system of safety, the social security needs a defence and support of morality. The benevolence can't be the moral basis of modern social security system for its natural defects of properties of unrestraint and rankand a flavor of alms, but the justice acquires the qualification of which is made the moral basis of social security with its "deserved" and "rule and standard". However, the social security system of justice still requires that the benevolence provides necessary psychological support for its operation.

Key words: social security, benevolence, justice, moral basis