You can make a fixed investment on Alipay, and the specific operation method is as follows:

1. Open Alipay, find the wealth function bar, and click Enter.

2. Find the fund option in the wealth interface and click Enter.

3. Find my fixed investment option in the fund interface and click Enter.

4. Click the new fixed investment option below.

5. Add a new fund that needs fixed investment, and click the fixed investment option.

6. Enter the relevant information of the fixed investment, and click OK below.

7. After that, you can complete the setting of the fixed investment of the fund.