The purposes of Islamic Shari are to bring utilities and benefits and also to avoid depravation.This sharia is very suitable for human instinct ; it is valid for every place and time.
Our respectable jurists said that non of difficulties hasn't a rule in our god's book so we have to be aware of the rules and judgments' of those troubles and what is expected to happen.
In this research, in God's willing, we declare the jurisprudent regionalization (adaptation) of electronic digital money (system of transferring electronic money) and what is related to this system of jurisprudent restrains because the electronic money is people's needs which contributes in accomplish their finance dealings by great quickness to transfer their money with reducing its expenses that the finance dealing is considered as a practical life nerve that pours in individual's controlled benefits which doesn't contradict with Islamic sharia goals and principles.
So, it is important to know the jurisprudent terms and to evaluate economic and banking work that is included in principles of Islamic sharia, according to jurisprudent rules connected with Islamic banks work.
Keywords: The purposes of Islamic Shari, Islamic jurisprudence, Numeral Finance.