The adverse impact of the COVID-19 and the Ukraine Crisis conflict is shaping the new pattern of the world economy，which has a big impact on international financial security. Global changes are likely to trigger a new round of global financial crisis and large-scale economic recession. For Latin American and Caribbean countries that are vulnerable to external factors，they have long been constrained by factors that threaten international financial security，such as debt，exchange rate，capital flow，and financial sanctions. After the outbreak of the COVID-19，Latin American and the Caribbean countries are facing greater risks in debt，capital flow，and the stock market，and these countries have also taken certain measures. With the intensification of global inflationary pressures，the further tightening of the Federal Reserve’s monetary policy，the breakdown of the global supply chain，and the intensification of the “digital gap” brought about by the new technological revolution，the international financial risks faced by Latin American and the Caribbean countries may further increase.