University counselors, as frontline ideological and political educators, have long been immersed in student management. Their daily close interactions with students enable them to accurately capture students' ideological dynamics and psychological changes, granting them inherent identity and situational advantages in psychological education. Grounded in the daily work practices of university counselors and focusing on the practical needs of university students' mental health education, this paper explores the specific implementation pathways of in-depth counseling within mental health education. By constructing equal and sincere teacher-student trust relationships, accurately identifying students' psychological crisis risks, and integrating various educational resources inside and outside the university, it promotes the comprehensive transformation of in-depth counseling from traditional "transactional heart-to-heart talks" to "developmental companionship." This effectively enhances the pertinence and effectiveness of psychological education, helping students resolve psychological confusion, improve their psychological literacy, fortify the campus psychological safety line, and safeguard the healthy growth of university students.