This study reviewed the Implementation Analysis of The Musyarakah Mutanaqishah Agreement on Refinancing Products in Islamic Financial Institutions. This type of research is conducted through normative legal research. The theoretical basis is derived from laws, norms, fatwas, and matters related to theories that align with the problem's object being discussed. This approach is in the form of laws, fatwas, and conceptual. The data collection technique is sourced from library studies. Analysis of legal sources is presented descriptively and systematically. From this research, it can be concluded that implementing the musyarakah mutanaqishah agreement on refinancing products becomes part of product innovation at Islamic institutions expected to add to the portfolio of institutions that can be accepted and absorbed by financial markets and impact mutual benefits to customers and financial institutions.