1. After the monetary fund of China Construction Bank brought the ID card and the bank card of China Construction Bank to the bank counter of the local construction bank to open a fund account for free, there was about 1000 yuan in the bank card to invest in the monetary fund.

2. Monetary fund is an open-end fund that collects idle funds from the society, is operated by the fund manager and kept by the fund custodian. It specializes in investing in low-risk money market instruments, which is different from other types of open-end funds. It has the characteristics of high security, high liquidity, stable profitability and "quasi-savings".