Al-Qānūn, Vol. 19, No. 1, Desember 2016 Telaah Kritis terhadap al-Risa< lah: Karya Magnum Opus Usul Fikih Imam al-Sha> fi’iy Abu Dzarrin al-Hamidy UIN Sunan Ampel Surabaya|adzarrin2015@gmail.com Abstract: This paper specifically investigates conceptual contribution of al-Sha> fi'iy -as contained in his al-Risa> lah- to the model or system of formation of Islamic law relating to grounding normative basis in his concep of Islamic law, that there are five: al-Qur'an, Sunnah, ijma> ', qiya> s, and aqa> wi> l al-s} ah} a> bah. In the method of the law- making, Kitab al-Risa> lah was referring to the structure of the legal hierarchy. In a hierarchical structure of this law starts from the highest and most early as the first reference, then decreased to below. Recognized or not, through this work began systematically structured models of istinba> t} in Islamic law. Also through this work also, al-Sha> fi'iy recognized had been instrumental in laying the foundations of istinba> t} in Islamic law which further systematically arranged a new nomenclature called the science of us} ul fiqh. In the contemporary era, Nas} r H{a> mid Abu> Zayd tried to do a critical reading by stating that the thought of al-Sha> fi'iy is flavorful the Arab centric, which leads to sectarianism. However, according to the author, these accusations are not sufficient in alibi to shift the great merit of al-Sha> fi'iy in pioneering the idea to systematize the disciplines of us} ul fiqh. Abstrak: Tulisan ini secara khusus menyorot sumbangan pemikiran al-Sha> fi’iy—seperti yang tertuang dalam karyanya al-Risa> lah—terhadap model atau sistem pembentukan hukum Islam yang terkait dengan landasan normatif yang dijadikan pegangan dalam memunculkan pemikiran fikihnya, yaitu ada lima: al- Qur’an, Sunnah, Ijma’, Qiya> s, dan Aqa> wi> l al-S} ah} a> bah. Adapun dalam metode menetapkan hukum, kitab al- Risa> lah mengacu pada struktur hierarki hukum. Dalam struktur hierarki hukum ini dimulai dari yang paling tinggi dan yang paling awal sebagai acuan pertama, selanjutnya mengacu dengan menurun ke bawahnya. Diakui atau tidak, melalui karyanya ini mulai tersusun rapi model-model istinba> t} hukum Islam. Juga melalui