This paper aims to study the influence of foreign direct investment on economic growth in Fujian Province, and explore its mechanism and effect. As a form of transnational capital flow, foreign direct investment not only brings capital and technology to Fujian Province, but also promotes the development of industrial structure upgrading, employment increase and international competitiveness improvement. In the context of global economic integration, exploring the contribution of FDI to Fujian's economic growth will help deepen the understanding of global economic interaction and provide references and suggestions for relevant policy making. The research method is mainly based on the analysis of the statistical data of FDI in Fujian Province, combined with relevant economic theories and empirical research, in order to comprehensively and systematically evaluate the impact of FDI on economic growth in Fujian Province. Through the research findings, we can provide valuable references for government departments, enterprises and academia to formulate and optimize policy measures to attract foreign direct investment and promote the sustainable development of Fujian Province's economy.