With the rapid development of information technology, the Internet has become an indispensable part of daily life. It has a profound impact on all walks of life, including financial education. In the 21st century, the Internet environment provides unprecedented opportunities and challenges for financial teaching. The Internet environment provides students with a huge amount of financial information resources. Whether it is the latest financial policies, market dynamics, or complex financial theories, they can quickly access them through the online platform, greatly enriching the learning content and broadening students’ knowledge horizons MATLAB simulation shows that under the condition of certain evaluation criteria, the teaching feasibility and teaching simulation efficiency of financial teaching simulation system for financial teaching are better than traditional teaching simulation.