This article will address the issue of Customs Union of Belarus, Kazakhstan, and Russia, which has gained relevance in recent times due to its impact on society. Different aspects related to Customs Union of Belarus, Kazakhstan, and Russia will be explored, from its origin to its influence in different areas, including its implications in people's daily lives. The different perspectives that exist around Customs Union of Belarus, Kazakhstan, and Russia will be analyzed, as well as the possible challenges and opportunities it represents. This article seeks to deepen the knowledge about Customs Union of Belarus, Kazakhstan, and Russia and generate reflection on its importance in the current context.