The subject discusses the ideas and thoughts of Attar Neyshabouri in two issues of theoretical and practical Gnosticism. The theoretical Gnosticism includes eulogy and condemning Iblis, Mutual  Gnostic interpretations of praising Iblis, Gnostic unity and emergence, submersion in the essence of Allah, existence unity and women`s appearance while the second part consists of Gnostic principles ,stoges and statuses, prophets masterpieces.To complete practical Gnosticism, Attar mentions the continuity of shariat and tradition. Finally, Attar`s idea about Ghalandarieh sect and his comments on deviators from canon and episteme is considered.