Hasank-e-Vazir is an eminent figure in Persian history and literature. In prose and poems of the Ghaznavids era, there can find referrences to him. He had a multifarious personality and was influential politically, socially and culturally. This Article studies different aspects of his social and political life. Hasanak’s position of ministry in the time of Mahmud Ghaznavi-his powerful supporterresulted in removing many mamonit opprtunist from governmantal affairs. He was executed for being Ghermati because of the slanders from his courtier enemies and by explicit order of Abbassi caliph’s.He was a patriotic person in Ghaznavid era. When Iran was dominated by Turks, he tried to maintain Iranian culture, its national identity, and a kind of nationalism.They accused him of being Ghermati following his meeting Fattemi Caliph, and his insistance in protecting this identity. We must admit that he had a leaning toward this sect, since one of its goals was establishing Justic.