This study examines the adaptive strategies employed by small and medium-sized enterprises (SMEs) in Shenzhen in response to the decoupling trend associated with the new US tariff policy. Given the' increasing complexity and unpredictability of international trade dynamics, Shenzhen SMEs must innovate and diversify their operational approaches to sustain competitiveness. The re-search highlights the significance of enhancing innovation capabilities, which enable SMEs to de-velop new products and services that meet shifting market demands. Additionally, the study empha-sizes the importance of market diversification and supply chain flexibility, allowing SMEs to miti-gate risks related to tariff impacts. Collaborative networks facilitate resource sharing and knowledge exchange, further bolstering adaptability. The findings indicate that by fostering a proactive entre-preneurial orientation and engaging with policymakers, Shenzhen SMEs can effectively navigate the challenges posed by the US tariff policy, ensuring long-term sustainability and growth in a competi-tive landscape through a sample of 190 SMEs in April of 2025.