Onsorol Maali is one of those remarkable and distinguished writers who has a special standing in the trend of advice writing in Islamic periods due to reflecting the political thoughts of ancient Iran in a framework consistent with his age necessities. The book Q"aboos Nameh is Onsorol Maali"s valuable and lasting book which according to the author"s claim and the popularity of the book is a teaching book of advice involving ethical, social and political pieces of advice. This book which has received attention in different periods is based on pattern of advice writing in Iran"s literature history. This branch of literature has provided a suitable means for reflecting and transferring old political culture or the Iranshahri"s thought. Some important sections of this book which deal with constitutions such as kingdom, ministry, tribunal, army, court and king"s companions in political structure of Iranian governments clarify Onsorol Maali"s standing in this important trend in political thought history in Iran in the Islamic period.