The role of diplomatic relations in building global peace is very crucial. Diplomacy is a process for resolving conflicts and creating connections between countries. Efficient diplomacy can reduce tensions, encourage cooperation, and create an environment that promotes peace. First, diplomatic relations provide an important channel of communication between countries. With open communication, countries can convey their views, concerns and aspirations to each other. This communication channel prevents misunderstandings that can lead to conflict. For example, false statements or provocative actions can be addressed through dialogue. When countries talk directly, the opportunity to create better understanding is greater. Second, diplomatic initiatives often involve negotiation and mediation aimed at resolving disputes. Through negotiation, conflicting parties can find a mutually beneficial solution. Mediation can also involve a third party who is considered neutral, facilitating discussion and bringing in new perspectives. A concrete example is the role of international organizations, such as the UN, which tries to mediate conflicts between countries through a diplomatic approach. Third, diplomatic relations create a forum for countries to collaborate on global issues. For example, in dealing with climate change or humanitarian crises, countries must work together to achieve effective solutions. Multilateral diplomacy allows countries to share resources, technology and knowledge, thereby creating synergy to face common challenges. Fourth, the role of diplomacy in economic development cannot be ignored. Through trade agreements and economic cooperation, countries invest in each other’s stability. A country that is friendly with another country tends to have stronger ties in economic terms, thereby lowering the risk of conflict. Increasing economic prosperity between countries reduces the tendency for war to occur. Fifth, diplomatic relations also contribute to education and cultural exchange. Global education and student exchange programs help build bridges between cultures. When younger generations interact and understand each other’s values and views, tensions between groups can decrease. This initiative encourages empathy and tolerance, important factors in creating peace. Sixth, public diplomacy also plays an important role in building a positive image of a country in the eyes of the world. Countries that are viewed favorably tend to find it easier to establish relations with other countries. Public diplomacy, through social media and public relations, is able to create understanding about policy and culture. In this way, it is hoped that there will be a reduction in stereotypes and prejudices that can trigger conflict. Seventh, diplomatic programs that focus on reducing nuclear weapons and weapons of mass destruction demonstrate the important role of diplomatic relations in maintaining global security. Through international agreements, countries commit to limiting or eliminating dangerous weaponry. This creates a safer environment for all parties and reduces the possibility of large-scale armed conflict. Eighth, the important role of international organizations in diplomatic relations cannot be ignored. Organizations such as ASEAN, NATO, and the European Union serve as platforms for discussion and cooperation. They provide a framework for collectively addressing local and global issues. Involvement in international organizations helps countries build positive relationships and resolve conflicts effectively. With a deep understanding of the role of diplomatic relations, we can see that diplomacy is not just about formal negotiations at a round table. It also involves social interaction, education, and international cooperation that touches various aspects of global society. One conclusion that can be drawn is that diplomatic relations are an important foundation in building and maintaining peace in the world.