The problem which this research intended to resolve is that beside many differences between individuals' characteristics that might impact their language learning process, there's often a different neglected component which is "Intelligence". Although there are several researches about the relationship between students' multiple intelligence profile and their language learning ability, there is no coordination between the findings of these researches. In terms of writing skill; for example, some shows a significant relationship, some partial relationship and some a significant negative relationship between the two variables. To fill this gap, this research aims to explore the potential relationship between multiple intelligences and writing proficiency of Shiraz University Medical students. This study utilized a quantitative method and the instruments were MI questionnaire and IELTS writing rubric. 76 students form Shiraz Medical University participated in this study and the results showed that there is no significant relationship between participants' MI profile and their writing proficiency.