This study aims to explain the phenomenon of corruption among ministers in the countries and emirates of the Islamic East in the period between the year (205 AH / 820 AD) to the year (617 AH/1220 AD). This phenomenon was one of the dangerous developments that took place in those emirates, as a group of ministers could ascended that position in those emirates, and were able to reach a high position in the society. A group of them gained an absolute power and interfered in the affairs of the government. The prominent feature of the ministry's position in the countries and emirates of the Islamic East was that it was offered for sale, so everyone who paid the most would get it. In order to restore the huge amounts they spent to get these high positions, they had illegal strategies such as raiding and bribery, and this was a reason for the spread of corruption in the highest positions of the state. The study is divided into eight axes, the first of which was devoted to mentioning the corruption of ministers in the Tahirid emirate, while the second was about the corruption of ministers in the Zaydi emirate, and the third axis dealt with the corruption of ministers in the Samanid emirate, and the fourth axis was devoted to talking about the corruption of ministers in the Ziyarid emirate, while the fifth axis dealt with the corruption of ministers in the Buyid state, whereas the sixth axis dealt with the corruption of ministers in the Ghaznavid state, and the seventh axis focused on the corruption of ministers in the Seljuk state, and the eighth and final axis was about the corruption of ministers in the Khwarizmi state.