Lack of soft skills had been the issue not only in academic field but also in working area. Many students or even fresh graduates do not have good soft skills. Usually this case is caused by lack of students’ participation outside the classroom like joining organization. Based on this problem, this research aimed to know the benefits of joining organization to develop soft skills based on students’ perception. This research took place at English Education Department of UMY Yogyakarta. The total of the participants are three students. The researcher specified the participants only for the students who have experienced in joining organization actively at least one period or one year experience. After conducting this research, the researcher found the findings about benefits of joining organization to develop soft skills. There are twelve findings about improved soft skills, they are critical thinking, problem solving, teamwork, responsibility, discipline, respectful, time management, confidence, communicative, social skill leadership and personal skill. In this research, all the findings actually have been found by previous researchers. In other words, the findings support the previous findings.