Counselors refer to school public officials engaged in students' ideological and political education, students' daily management, employment guidance, mental health and the construction of student party groups. Each counselor generally manages one or several classes. Counselors' duties shall be carried out according to the Professional Ability Standard for Counselors in Colleges and Universities (Provisional).

Substitution refers to selecting excellent students from junior students and assigning them to freshman classes in universities. Each class is generally assigned two students, one male and one female, to assist the class teacher, help and guide the freshmen's life and study, and make them adapt to college life as soon as possible.

Extended data:

Basic requirements of counselors

Abide by the professional standards of patriotism and law-abiding, love and respect their posts, educate people, study for life and be a teacher; Take students as the center, care for students, serve students, grasp the law of students' growth, and constantly improve students' ideological level, political consciousness, moral quality and cultural accomplishment;

Guide students to correctly understand the development trend of the world and China, China's characteristics and international comparison, the responsibility and historical mission of the times, lofty aspirations and down-to-earth, and become qualified builders and reliable successors of Socialism with Chinese characteristics who are both red and professional, have both ability and political integrity and all-round development.