French professional level 4 is compiled by the headquarters of the French Union. According to relevant information, the CET-4 for French majors was set up by the Foreign Language Teaching Steering Committee of the Ministry of Education, and the headquarters of the French League was responsible for setting questions and marking papers. The French proficiency test organized by its overseas branches was officially recognized by the French Ministry of Education. The results of Grade Four can be used as the basis for testing students' French proficiency in French universities, and can also be used as one of the reference conditions for French enterprises to recruit overseas employees.