In 2017, the newly revised and promulgated “Regulations on the construction of college counselor team” mentioned that “the construction of college counselor team as an important content of the construction of teacher team and management team, overall planning, overall arrangement, and constantly improve the professional level and professional ability of the team”, the training of college counselor team has been highly valued. As a component of personality, personality traits play an important role in evaluating the mental health of college counselors. Taking Central South University as an example, this paper focuses on the feasibility and implementation strategies of training excellent counselors in colleges and universities based on the theory of Big Five personality traits.