Trade liberalization is the removal or reduction of restrictions or barriers to the free exchange of goods between countries. On the other hand, the United States' protectionist policy on Chinese products led to a trade war between the two countries. The impact of the U.S.-China trade war has an impact on fluctuations in the value of JCI in Indonesia, so protectionist policies are needed in accordance with national and International legal instruments to stabilize the national investment climate and capitalize on the conditions of the U.S.-China trade war. In this essay, the author uses a statutory approach, a conceptual approach, and a historical approach, so that this research is classified as normative juridical research or also called doctrinal legal research.