Equality and law have always been an important proposition of human concern, which embodies the relationship between human beings and is an important guarantee of social harmony and stability. Rousseau, as an 18th century French Enlightenment thinker and an important representative of the doctrine of natural law and social contract theory, constructed the hypothesis of the state of nature and systematically put forward the concept of social equality and the concept of public will law, which together with Hobbes, Locke and other scholars’ theories. They have profoundly influenced the formulation of laws and the construction of administrative systems in Western countries. The study of this work will help to understand the underlying logic of ...