1. Opening a securities account: First, you need to open a securities account. You can choose to open an account in a bank, brokerage or third-party financial platform.

2. Select China Merchants CSI Liquor Index Fund: After opening a securities account, you can search for "China Merchants CSI Liquor Index Fund" on the securities trading platform and choose this fund for investment.

3. Determine the amount of investment: investors need to determine the amount of funds to be invested according to their risk tolerance and investment purpose.

4. Place an order to purchase funds: On the securities trading platform, you can choose market order or limit order to purchase funds. Investors need to enter the purchase amount and fund code and confirm the transaction information before placing an order to purchase funds.

5. Holding the fund: After purchasing the fund, investors can hold the fund and enjoy the fund income, or they can sell the fund and get it back at any time.