About a week. 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. Interviews are conducted in written form, face to face or online. Hohai University is a national key university with a history of more than 100 years, featuring water conservancy, focusing on engineering and coordinated development of multiple disciplines. It is a university that implements the national "2 1 1 Project" key construction, the national dominant discipline innovation platform, the "double-first-class" construction and the establishment of a graduate school approved by the Ministry of Education. The school has grown in the process of harnessing water and rejuvenating the country, and is known as "the cradle of cultivating high-level innovative and entrepreneurial talents in water conservancy and an important base for scientific and technological innovation in water conservancy".