Al-Qur’an and Hadits are not other than a primary resource of law which can not be hesitated: also they have a symbiotic relationship between each other in determining the dictums of law. This article will elaborate the purposed of their relationship. There are at least four problems should be revealed: the case toward terminology of al-Qur’an and Hadits, the hierarchy of both, the function of Hadits toward al-Qur’an, and the elucidation of Hadits toward al-Qur’an. As the matter of fact, that al-Qur’an has lot designations, than also Hadits has not single designations, but it has some, such as al-sunnah, al-Khabar, and al-atsar. The most prominent function of Hadits in Islamic jurisprudence is to elaborate and describe the varied content of...