Nizam al-Mulk is not just a vizir that has aroused the downfall of the Abbasid Daula but he has also brought his era as the golden age. The success of Nizam al-Mulk in arousing the decline of the Abbasid Daula greatly influenced the development of Baghdad, especially in the area of Islamic politics and economics. Nizam al-Mulk's thoughts on Islamic politics and economics are outlined in his work "The Book of the Book of Government or Rules for Kings" which is now a very big focus. This paper is an analysis of descriptions of the thoughts of Nizam al-Mulk especially on Islamic Economics thought. Which aims to analyze the thoughts of Nizam al-Mulk on Islamic economics. Nizam al-Mulk is not just a vizier who has aroused the decline of the Abbasid Daula but he has also brought his era as the golden age. The success of Nizam al-Mulk in arousing the decline of the Abbasid Daula greatly influenced the development of Baghdad, especially in the area of Islamic politics and economics. Nizam al-Mulk's thoughts on Islamic politics and economics are outlined in his work "The Book of the Book of Government or Rules for Kings" which is now a very big focus . This paper is an analysis of descriptions of the thoughts of Nizam al-Mulk especially on Islamic Economics thought. Which aims to analyze Nizam al-Mulk's thoughts on Islamic economics.