Using the data such as import and export trade from 1990 to 2019 for 131 countries(regions)worldwide,this study constructs centrality measurement indicators for the trade network and employs a panel regression model to empirically test the impact of trade network centrality on international securities capital flows.The results show that as the level of trade network centrality increases,the country's inter-national securities capital(net)inflows will be suppressed;the suppression mechanism is achieved by af-fecting international investments in stocks and bonds,with the suppression effect being more pronounced during the subprime crisis in developed countries;the strength of the suppression is influenced by the fac-tors such as the country's stock market volatility,the level of banking sector development,and loan risk premium,with arbitrage factors prompting capital to flow from trade network central countries to periph-eral countries.China should combine the external influence and control generated by the centrality advan-tage of the trade network to optimize the policy system and improve the efficiency of international securities capital allocation.