According to the provisions of the Securities Investment Fund Law, the fund property shall not be used for the following investments or activities: ① underwriting securities; (2) Providing loans or guarantees to others in violation of regulations; (three) engaged in unlimited liability investment; (4) buying and selling other fund shares, except as otherwise provided by the China Securities Regulatory Commission; ⑤ Contribute to fund managers and fund custodians; 6. Engaging in insider trading, manipulating the price of securities trading and other unfair securities trading activities; ⑦ Other acts prohibited by laws, administrative regulations and provisions of China Securities Regulatory Commission. (If the fund property is used to engage in other major related party transactions, it shall follow the principle of giving priority to the interests of fund share holders, prevent conflicts of interest, comply with the provisions of the China Securities Regulatory Commission and fulfill the obligation of information disclosure. )