To date, there has been little research in the existing literature exploring how peer mentors can assist college students' research proposal. This paper provides the background to the adoption of a peer mentoring program in a research writing class in Taiwan. The purpose of this study is to investigate the value of using peer mentors to assist college students' research proposal writing. This paper provides a background to the reason for implementing peer mentors as a teaching and learning practice in a research class. The final section of the paper explores the effectiveness and advantages of peer mentoring with a focus on challenges and rewarding experiences of peer mentors and mentees. [International Journal of Arts and Sciences, v3 n11 p450-457 2010]