Background and purpose: To determine an appropriate financial model for the health system of Iran, several studies have been conducted. But it seems that these studies were not comprehensive and further investigation is required. So to design a valid and enforceable mechanism, the study of policy interventions will be considered through consensus of all stakeholders. This investigation was done to determine the necessary policies and internal interventions for health care system financial improvement in Iran. Materials and methods: The present work was carried out through investigating all key stakeholders in the medical system and the related sectors in Iran, along with the analysis of internal and external communication by using SWOT and STEEP.V methods. Results: Strategic management of health-care costs, the development of a new financial system, clarity of costs, benefiting from health national accounts, the regulation of budget based on operations, preparing the credit of per capita from prepayment and risk accumulation, the development of referral systems and mechanisms, the establishment of public fund for services purchase, preventing the involvement of insurances in non-insurance cases, competing services with the private sector and increasing resources for the promotion of equality level have been determined as the key proposed interventions. Conclusion: It seems that the interventions based to the development of improving health financial system including the deployment of full accrual basis instead of cash basis, preparing and using services cost and operational budgeting and finally, cost management and productivity are the prerequisites of reforming health financial system.