This study application of the rules of fundamentalism on the judicial ruling, and by referring to came in the Journal of the provisions of justice, as the oldest blogs jurisprudence, which took the form of Altgueninn and Altqaid with the provisions of Islamic jurisprudence, and thus had a strong link devising the legal provisions, and emerged through the search function These rules in the air facts and developments which have the rights of God and the rights of human beings. And the problem was addressed by the research in the non-use rules fundamentalism in the development of laws and regulations, and therefore shows a lack of harmony between these rules and regulations and current legislation in people's lives. And achieve research and confirms the high scientific value of the rules of fundamentalism and originality, flexibility and ability to provide jurisprudential rules and provisions of the appropriate process to address new problems, as research originality of the Islamic judicial system and its uniqueness from other systems situation. Researcher and follow the pragmatic approach adopted to select the most appropriate fundamentalist views, jurisprudence and the most wisdom, and based on the most important fundamentalist Leaders and jurisprudence, and one of the most important findings of the research Ntij Authentic fundamentalist base in inference, Inference and effectiveness in the discharge and Altakrigaliha something of diligence and Lfaqaha, and that the judiciary in Islam one degree, and may not be lack of judicial ruling Islamic one degree, and may not be set aside Islamic rule only if it was contrary to the initiated, or the manifest error in the application of the appropriate sentence on the facts., and that the judge Grievances is the entity entrusted with the veto power and conformity assets legitimacy if it is not the judge who issued the ruling diligent, and lack of consideration of the case law in the protest provisions, and the adoption of the principle that what we spent and this somehow spend. And recommend research to deepen the study about rules of fundamentalism and jurisprudence, and work to renew books and rules introduced a new guise, and the adoption of training as a way to raise the capacity and skills development of workers taught and the judiciary.