Trade protectionism is an essential factor affecting a country’s economic development. Against the backdrop of “unprecedented changes” in the international world，international political uncertainty has increased，and trade protectionism has emerged. This report analyzes the impact of trade protectionism on the smooth operation and development of China’s industrial and supply chains at the current stage of development. It proposes policy recommendations such as establishing an early warning and monitoring system，promoting technological innovation breakthroughs，enhancing the discourse power of the international value chain，and improving the resilience and stability of the industrial and supply chains.