Continuous improvement of teaching quality is necessary. In addition to develop related policy to improve for continuous improvement of teaching quality, leaders of college also positive communicate with faculty and hope faculty can cooperate with related policy. However, due to faculties of different personality traits may have different responding and behaviour, therefore, leaders of college should develop different communication approach based on personality traits. Based on above, the purpose of this study is to develop a communication decision-making model to decrease the conflict with faculty of different personality traits, and ensure they are willing to cooperate with related policy about continuous improvement of teaching quality.