The dynamics of diplomatic relations between China and the United States (US) have become one of the most important aspects of modern international politics. The relationship is marked by collaboration on several fronts, but also shadowed by increasing tensions. One key area in this relationship is economics. China and the US are the world’s two largest economies, and the trade relationship between them is complex. In 2020, trade tensions reached a peak when the US imposed high tariffs on Chinese goods to address the trade deficit and business practices deemed unfair. China responded by retaliating with tariffs, creating a cycle of tension that negatively impacted the global economy. Apart from economic aspects, security issues also play a significant role in the dynamics of this relationship. China’s military rise in the South China Sea and increasingly aggressive foreign policy have attracted US attention and concern. In this context, the US is strengthening its military presence in the Asia-Pacific and establishing new strategic alliances, such as with Japan and Australia, to balance China’s power. Human rights are also a sensitive topic in bilateral relations. The US frequently criticizes the Chinese government for human rights abuses, including the treatment of Uighurs in Xinjiang and the situation in Hong Kong. China, on the other hand, defends its domestic policies as an effort to maintain social stability and sovereignty. The dynamics of this relationship are also influenced by global issues, such as climate change and epidemics. In recent years, the two countries have appeared more open to cooperating on environmental challenges, although differences in approaches and interests remain. The COP26 climate change conference in Glasgow demonstrated greater efforts by both sides to embrace green diplomacy. Social media and disinformation have also changed the way the two countries interact. Narratives published on media platforms often fuel public distrust of each other. This information war can influence government policy and the publication of public opinion, creating a negative cycle in bilateral relations. In conclusion, the dynamics of diplomatic relations between China and the US reflect the complexity and challenges faced by these two great powers. With a variety of issues affecting their interactions, it is important for both countries to seek dialogue to prevent conflict and promote global stability.