This article focuses on taxes in Islamic Financial Institutions in Indonesia which will be reviewed from the perspective of Islamic sharia, especially the thoughts of Yusuf Qardhawi. The problems that will be discussed are the tax concept according to Yusuf Qarhawi, the development of taxes according to Yusuf Qardhawi, and tax analysis in Islamic financial institutions based on the concepts and thoughts of Yusuf Qardhawi. This research is qualitative research, with the library study research method. The book of Zakat Law by Yusuf Qardhawi is used as a primary data source, coupled with reviewing articles related to the problem under study. Data were collected comparatively, deductively, and inductively. The government is the party responsible for financing made using tax funds. So that the government has the right to obtain sources of funds through taxes, as long as it is taken in a fair manner and within limits that are not detrimental. Taxes are allowed to become state revenue as long as they are used honestly and effectively in order to achieve maslahah according to maqashid sharia