The Shia Originally the “Shia” is as old as Islam itself, and in the reality “Shia” is one of the Islamic schools of theology and law that is widespread in all countries. The term “Shiite” is used for Muslims who follow the Prophet Muhammad (s) and the Imams of his family (Ahl-ul-Bait) and strive for their school in all areas of knowledge. In a hadith, the Prophet Muhammad (s) said: “Good news, oh Ali! Truly, you and your Shia, you will be in paradise”. This Study focuses on the belief and thinking of the Imamite world community!