The article discusses how customs plays a crucial role in global trade, especially during the challenges brought by the pandemic. Customs management affects trade efficiency, costs, and transparency. The customs system is vital for international trade, with 90% of the WTO's trade facilitation agreement related to customs. Customs also combat smuggling of products like tobacco. Customs face challenges in balancing supervision and trade facilitation. All countries' customs need to work together to overcome barriers in the changing global environment.