The purpose of the study is to find out the concept of character education model that is appropriate for students to build character of students of UIN Sunan Kalijaga and also to find out the teaching materials design of character education based on social capital to build character of students of UIN Sunan Kalijaga. This research is motivated by a very dedicated Muslim in the productivity of social capital, but not necessarily manifested in everyday life. Colleges are academic institutions which is in their work need to uphold the values of professionalism in the development of science and technology. In order that UIN Sunan Kalijaga is able to create a peace, a solid, and educative conditions, it is necessary to implement character education model based on strengthening social capital. The model is composed referring to the verses of the Qur'an and Hadith and the concept of social capital attached to personal characteristics. The validation results of the model through Focus Group Discussion (FGD), it is obtained an input that it is needed a concrete examples of actual experiences of students as a reflection on the discussion of certain topics that some students are still weak in personalities. The result of the implementation of this model is an increase in the actualization of student character values. It is characterized by the implementation of increased prayer, especially the frequency of completeness five daily prayers, the "Sunnah" prayers and night prayers. This increase is also followed by other dimensions, namely: "sunnah" fasting and orderliness to read the Qur'an, especially students who live in boarding school.