This study aimed to analyze the gold pawn syariah financing agreement with Bank Syariah Mandiri Branch Office Yogyakarta Special pawning gold at the post office, as well as explaining the suitability of theory and practice that occurred in the field of post issuance DSN MUI No. 26 / DSN-MUI / III / 2002 About Rahn Gold filed by the bank in the inauguration ceremony for the product operates. This research is a descriptive qualitative research which explains the picture thoroughly and systematically, and to understand the phenomenon of mortgage financing gold in Bank Syariah Mandiri Branch Office Yogyakarta, for example contract, practices, motivations, actions and others in a holistic manner and by way of description in the form of words and language, in a natural context by using various scientific methods. The results showed that the gold pawn in this Islamic banks use qardh, Rahn and Ijara. In the implementation of a gold mortgage financing is not fully in line with sharia, as indicated in the provision ujrah usury is taken according to the loan received by the customers. It is opposed DSN DSN MUI MUI No. 26 / DSN-MUI / III / 2002 About Rahn Gold, because in qardh there should be no extra in loan repayment. In Ijara contract ujrah should be calculated from the estimated value, resulting in a mismatch of theory and practice in the field.