As many kinds of transactions and informations move onto the Internet, methods to resolve dispute arising from this trend must also move onto the Internet. The Internet has heightened interest in Alternative Dispute Resolution(ADR). Some organizations are using the new technology in the field of dispute resolution, for example, by establishing web sites and offering communications through the Internet. Online ADR provides an attractive solution to an important part of the jurisdictional challenges presented by the Internet. This study reviews the types of online ADR as the dispute settlement way in electronic commerce. Especially this paper points out the task that Korea has to promote the online ADR for more effective and efficient dispute settlements.