Following the implementation of the policy, global financial markets were shaken, and international trade patterns began to shift. For the U.S., economic growth faces downward pressure, inflation has surged, industrial adjustments are strained, and the job market is hit, with divided public and political reactions. For China, trade volumes shrank, export structures shifted, and industries were impacted—yet the policy also pushed forward economic transformation and market diversification. For other economies, the EU adopted countermeasures and experienced multifaceted effects; Southeast Asian countries faced shifting orders and ambiguity in rules of origin, but also gained opportunities from industrial relocation.