According to the Securities Investment Fund Law, the fund property shall not be used to lend funds or provide guarantees for others, so as to protect the security and stability of the fund property and prevent the illegal behavior of the fund manager from harming the interests of investors. The main purpose of fund property is to invest in the securities market in order to obtain capital income and investment income, but lending to others or providing guarantee is inconsistent with the investment purpose of fund property, which may easily lead to the loss and loss of fund property. Fund managers must abide by relevant laws and regulations when operating funds to ensure the safety and stability of fund property and protect the interests of investors.