The emergence of transaction media such as electronic money provides many benefits for the public in transacting. However, in the law of its use, electronic money reaps a lot of controversy between whether it is legal or not according to Islamic law. This paper aims to review the validity of electronic money based on fiqh principles. The method used is descriptive qualitative through a literature survey. The results of this study indicate that electronic money is generally legal based on fiqh rules. The many benefits provided by electronic money make it easier for people to make transactions so that it provides benefits for its users. Nevertheless, there are several aspects that must be considered so that in the application of electronic money so as not to run away from the principles and rules of fiqh that have been set. Several principles that must be applied in transactions using electronic money are to avoid maysir and in its use it does not encourage isyraf and is not used to make transactions for illegitimate objects.