Abstract: "Double first-class" universities bear the pressure on competitions in scientific research and talents cultivation. Young faculties at these universities commonly face the stress of tenure-track assessment. Many of them are required to engage in part-time counselor work, leveraging their expertise in the value guidance for the students and providing all-round education. This article outlines the formation and development of the part-time counselor system, as well as the importance and necessity of part-time counselors in "double first-class" universities. Taking preventive medicine major of Fudan University as an example, the practical work of part-time counselors are explained. Finally, the responsibility of part-time counselors, as well as shortcomings and prospects of the construction of the part-time counselor team are summarized based on the major characteristics and cultivation goals of preventive medicine major. In a word, part-time counselors play an important role in guiding students' value formation, addressing psychological and life issues, fostering professional identity, mentoring academic research, and engaging in public health practice. In turn, this work deepens young teachers' appreciation of socialist education and strengthens their sense of nationality at the same time. In the future, it is still necessary to further improve the discovery and cultivation of top-notch innovative talents, promote interdisciplinary exchanges, and strengthen public health practice, etc. Strengthen the all-round capacity building of the team of part-time counselors, and accelerate the cultivation of high-quality interdisciplinary public health leaders who serve Healthy China and have an international perspective are of great significance.