International trade is a fundamental component of the global economic system, involving the exchange of goods, services, capital, and technology across national boundaries. This study examines the concept, evolution, and challenges of international trade, highlighting its significance in promoting economic growth, efficiency, and global integration. The evolution of international trade is traced from early barter systems and ancient trade routes to the emergence of mercantilism, classical trade theories, and the transformative impact of the Industrial Revolution. It further explores the role of globalization, technological advancements, and the rise of digital trade in shaping modern international trade practices. The study also analyzes key theoretical frameworks, including absolute advantage and comparative advantage, which explain the benefits of specialization and free trade. In addition, it addresses the major challenges faced in international trade, such as trade barriers, exchange rate fluctuations, political instability, environmental concerns, economic inequality, and supply chain disruptions. These challenges highlight the complexities and risks associated with global trade, particularly in an increasingly interconnected and uncertain world. The findings emphasize that while international trade has significantly contributed to economic development, innovation, and improved living standards, it also requires effective regulation and cooperation among nations to ensure equitable and sustainable outcomes. The study concludes that the future of international trade depends on balancing globalization with resilience, inclusivity, and environmental sustainability, making it essential for policymakers to adopt strategies that maximize benefits while minimizing adverse impacts.