The this article is focused on dealing with and scrutinizing bases of religious understanding of Fundamentalism (Salafiyya) movement in early period of Islam. Although Salafiyya doctors have used analogy and individual opinion in the legal (fıqhî) issues, haven?t tolarated refering to reasoning and interpretation in the topics of creed. They have much had sensitive against the distinctions of idea in the topics of creed. Titely, they have been engaged to literal meanings of texts. Direction to the nature is neglected in the fundamentalistic discourse. Thus, they have limited area of the using of mind. This has caused static history and torpid comprehension of religion in the Islamic thought.