Various factors that underlie customers transfer their KPR, ranging from customers reasons who feel that they have been disappointed to customer concerns about the uncertainty of the amount of mortgage installments at conventional banks, resulting in increased installments to be paid, as well as the customers desire to obtain additional ceiling amounts from previous loans. This research uses descriptive qualitative research methods. In this study using a conceptual approach which then used a field approach. Data collection using various methods, namely by collecting data directly from the field and also literature study. Data analysis in this research is descriptive analysis method. The results of the research show that the terms and procedures for debt transfer are based on sharia principles and in accordance with the contract provided by the bank by completing administrative requirements and carried out according to predetermined procedures. In the Cibinong branch of sharia Bjb Bank, in the case of mortgage take-over, it uses a mutanaqisah musyarakah agreement. Because this contract allows the provision of a longer financing period than murabahah financing. Fluctuating conventional bank interest rates make customer financing installments erratic and the “migrating” lifestyle is a trigger factor for customers to take over their financing.