ANALISIS KRITIS IMPLEMENTASI TAKLID DALAM BERAGAMA DALAM TINJAUAN USHUL FIQH EMPAT MAZHAB DAN PENGARUHNYA TERHADAP NILAI-NILAI KEBANGSAAN NEGARA KESATUAN REPUBLIK INDONESIA (NKRI) Alfa Syahriar & Ahmad Fauzan Mubarok. Universitas Islam Nahdlatul Ulama Jepara alfasyahriar@unisnu.ac.id Abstract This study was conducted to discuss the concept of taklid in the religious activity in the perspective of Ushul Fiqh in four madhhab, with the consideration that at the level of implementation, the concept was still problematic, so the consequence was cause someone can easily fall into the trap of fanaticism that leads to radicalism, as a result of the weakening of critical reason-related the quality of the received religious information-and the barrenness of the creative power-related to the application of Islamic teachings in the reality of national and state life. Meanwhile, the values derived from the four pillars of nationality, namely Pancasila, the UUD 1945, NKRI and Bhineka Tunggal Ika, were the values agreed upon by all components of the nation as national identity, as well as the spirit of the nation's continuity, because these values were none other than the embodiment of the value of Islamic teachings, when faced with a concept of taklid that has the potential of fanaticism which lead to radicalism, it certainly opens the possibility of a threat to the integrity of NKRI. Therefore, with this consideration the study were done, to answer the problems, among others; the essence, validity and urgency of the concept of taklid in the perspective of Ushul Fiqh in the four madhhab, then the implementation of the concept of taklid and its influence on the national values of NKRI. This research uses library research and field research with qualitative-descriptive approach. The results of this study could be stated that taklid was a concept was taken by someone to bind themselves to the opinions of others in religious activities which according to Ushul Fiqh can be found justification argument, in according about its strategic position as a solution for the human kind. The concept of taklid had a significant influence on the existence of the nationality value of NKRI and would certainly be a threat when done without adequate space of reasoning. Keywords: Taklid, Ushul Fiqh, Four Madhhab, NKRI. A. Pendahuluan Islam diturunkan dengan syariat yang mapan dan lengkap. Mapan dikandung maksud tidak ada lagi penambahan dan bersifat