In the early days of the Third Republic, after Li, a Republican and lawyer, became Minister of Education, he promulgated the First Ferry Law and the Second Ferry Law in 188 1 882, which established the three principles of obligation, free and secularization for the first time in the history of French education. The bill defines the age of 6- 13 as the statutory compulsory education stage, and children receiving family education must go to school to take an exam once a year from the third year; Impose fines on parents who do not send their children to school; Exempt public kindergartens and primary schools from tuition and fees, and exempt normal schools from tuition, meals and accommodation; Abolish the privilege of fallow law to supervise schools and priests as teachers, stop religious classes in public schools and set up moral and civic education classes instead.