DU Yanan is amiable ‘sister Yanan among the students. Shouldering the responsibility of ‘post-90s’, she undertakes the moral education of young students. As undergraduate counselor of the college, deputy secretary of the Youth League Committee of the college, and a three-level psychological counselor, she has continuously carried out ideological and political education for undergraduates, such as party building, Youth League building, comprehensive quality and ability improvement, and mental health education since September 2017. She listens to the students' needs, accompanies their growth, and helps them grow up. Besides completing the primary training of positive psychology instructor and sand table play therapist, she participates in the humanities and social sciences research project of the Ministry of education.