Abstract: Harmonious society needs perfect social law. This article makes a brief introduction about the state and views of social law. It tries to look for the trail of social law production and development from human history. Then it concludes social law is the result of human right following the development of human society. Social right is the core and root for social law. So the range of social law is the scope of social right. The range of social law will be widenod with the change and progress of social right.