At Madrasah Tsanawiyah (MTs), literature is a part of Indonesian Letters and Language class. Literature can refine manners, enrich aesthetic experience, and improve the knowledge of students. Literature teaching increases their ability in understanding, enjoying, loving, and appreciating literary work, and also to help their development of psychological aspects towards shaping their character as a whole. Regarding reading interest, students were helped in understanding and comprehending sufi short story when they mastered the adequate vocabulary. The sufi short story as a work of literature is rich of life values, either local or spiritual ones. Sufi value  belongs to spiritual value  assessed to develop a person’s spiritual state. This study used the survey method with correlation technique. The respondents were tested on vocabulary mastery, given quiz for reading interest, and also taken essay test for the ability to comprehend sufi short story. It was done in MTs Kampung Jawa, Tondano, Minahasa.  Based on the analysis of the hypothesis test, all of the alternative hypothesizes (H1) given in this research were accepted. This means that the ability to comprehend sufi short story (Y) can be improved by developing the mastery of vocabulary (X1) and reading interest (X2).