1. First find "Alipay" in your mobile phone and click Open;

2. Find "Citizen Center" in the main interface of Alipay, and click to enter;

3. Find the "tax" at the top and click enter;

4. Find "Invoice Manager" under "Third Party Services" and click Enter;

5. Select "Invoice Lottery";

6. Enter the invoice information, click "Start Lottery", and you can redeem it directly after winning the prize.