Introduction: Motivation is one of the major factors in learning that can affect on various aspects of the students behavior in an educational environments. Academic Motivation can be just causes a direct effect on academic achievement and other effective factors in success act their effects through academic motivation on the students to apply. Since motivation is the key of students learning and medical students are the most important capital of not only for the medical community but are a national asset and academic motivation is as the driving force of students activities and Managing director moves so any attempt to strengthen the students would be the most effective and important. This study aims to determine the relationship between academic motivation and associated factors of the Golestan University of Medical Sciences students.

Methods: This descriptive - analytical research was done in 2013. In this study 359 students of 2,3,4 semesters were selected by Method Census. Academic Motivation ques tionnaire was completed by the students. For Analysing of data was used Mann-Whitney and cross Kalvalys test.

Results: Results showed that academic motivation of students was at good level. There was a significant relation Between students motivation with gender and field of students female students were more motivated than male students (P=0.012) and students of Public Health and Midwifery had higher motivation and students of Environmental Health and Laboratory Sciences had lower motivation (P=0.008). There was significant relation between student’s motivation with academic achievemen and this relationship is almost significant. There was no significant relationship between academic motivation with ethnicity, residence, leve l of father P>0.05 and mother education.

Conclusion: Based on the findings, the total number of students' motivation for this study was relatively good, despite the motivation of boys to girls is lower, raising the motivation of medical science students is very important that should be considered by planners and policymakers.