A country ruled by law is the first concept used in Germany. The early country ruled by law refers to a certain state form in medieval Europe, such as the German Empire, which was considered as the guardian of peace and legal order. A country ruled by law in the modern sense is the morning mist for the application of the German bourgeois constitution. Its basic meaning is that state power and administrative power must be exercised according to law, and the conditions and standards of a country ruled by law are:

1. protect human rights through laws and limit the abuse of public power;

2. Good governance;

3. Establish the state power relationship between decentralization and right restriction through the Constitution;

4. Granting a wide range of civil rights;

5, establish universal judicial principles, judicial independence.