With the development of financial technology and the advancement of the internet environment, providers of financial services are no longer limited to traditional financial institutions. FinTech (Financial Technology) and big-tech companies offer diversified financial services through platform models. As financial services progress towards digitization and intelligence, maintaining financial market stability becomes a focus for countries. This report analyzes the regulatory measures taken by major supervisory authorities in the US (United States), the EU (European Union), China, and looks into four key considerations: data collection integrity, data privacy security, rationality of technology applications, and prevention of systemic risks.