It is undeniable that the social changes faced by Muslims from generation to generation until now have invited various new problems or problems that require the establishment of Islamic law. And in this determination of Islamic law it is a necessity in accordance with the principles of Islamic law which are always relevant to the changes and developments of the times. Therefore, ijtihad is needed in solving and seeking legal solutions to community legal problems. So that the resulting ijtihad product is a legal product that is needed to answer various new problems that arise at this time. And in the process of carrying out ijtihad, of course, a legal istinbath methodology is needed, one of which is the al-Qawa'id al-Fiqhiyyah method or fiqh...