Abstract: Urgency of the Fiqh Law in the Development of Islamic Economy. The course of Islamic fiqh has always discussed the concept and science of economics. For example, in order to help Muslims learn certain course about Islamic economy law, it is nececessary to initially understand the fiqh law so that it will be easier to understand the contemporary economic laws that do not have sharia nash both in Alquran and hadith. Moreover, the fiqh law also facilitates Muslim to comprehend the progressing furû‘iyah issues in a short time and convenient way by using a concise phrase in the form of fiqh law including fiqh in transaction, wealth assets, banking and arbitration.Keywords: fiqh, transaction, mal, arbitrationAbstrak: Urgensi Kaidah Fiqh...