First of all, the broad topic is financial planning. Financial planning is a process of managing financial resources, involving the allocation of funds, the formulation of financial goals and the strategies to achieve these goals. In this field, you can explore the impact of financial planning on the financial situation of enterprises or individuals, and study how to optimize financial planning to achieve the best financial results.

Secondly, investment decision-making is another important research field. Investment decision-making involves the allocation of capital, including selecting investment projects, evaluating investment risks and benefits, etc. We can study the influence of different investment strategies, discuss the influence of capital allocation on enterprise performance, or study the behavior and decision of investors.

In addition, capital structure is also a field worth studying. Capital structure is the decision of enterprises to choose capital source and capital proportion, involving the choice of debt and equity. We can study the influence of capital structure on enterprise value and explore the influence of different capital structure choices on enterprise risk and income.

Finally, risk management is also an important research field. Risk management involves identifying, evaluating and managing risks to ensure that enterprises can cope with potential risks and uncertainties. We can study different risk management strategies and discuss how to minimize risks and improve the anti-risk ability of enterprises.

To sum up, the topics of graduation thesis of financial management can include financial planning, investment decision-making, capital structure and risk management. By studying these fields, we can explore the key issues of financial management and provide valuable suggestions and decision support for enterprises and individuals.