1. Private financial personnel need to have solid financial knowledge, including financial statement analysis, financial index calculation, financial planning, etc. This knowledge can help them understand and analyze the financial situation of enterprises and evaluate the feasibility and return rate of investment projects.

2. Private equity financial personnel need to have the ability of investment analysis, including industry research, market analysis and investment valuation. They need to understand the development trends and competition patterns of different industries, evaluate the risks and benefits of investment projects, and provide support and suggestions for investment decisions.

3. Private equity investment involves high risks, and financial personnel need to have the ability of risk management. They need to learn the methods of risk assessment and control, understand different types of risks and formulate risk management strategies to reduce investment risks and protect investors' interests.

4. Private equity investment involves complex legal and compliance requirements, and financial personnel need to understand relevant laws, regulations and compliance requirements to ensure that investment activities comply with legal provisions and abide by industry standards and ethics.