Writing a thesis is often an obstacle for final semester students. A myriad of problems become the reason for every student for not being on time to complete a thesis. This study aims to determine the contribution of mini research projects in supporting thesis writing and the usefulness of mini research projects. This action research was carried out after the end of the 2021/2022 odd semester, in the master's study program of Islamic religious studies, the Islamic University of Indonesia as many as two classes in the education research methodology course. Data collection techniques using a questionnaire. The data analysis technique was carried out descriptively, through the stages of data reduction, data display, and drawing conclusions. The results showed that the writing of a thesis proposal draft was proven by 72% of mini research reports that supported the preparation of student thesis proposals; the value of benefits obtained by students include adding 18% experience, increasing 39% understanding, and speeding up 43% thesis proposal writing. Suggestions from students that strategies like this need to be maintained and improved by making interactive learning videos during learning and the implementation of supervisors so that they can be accessed at any time, especially for the students concerned.