2. On the "My" page, find the entrance of "Pinduoyue Card" and click Enter.
3. On the page of "Pinduoduo Monthly Card", find the entrance of "Upgrade Monthly Card without Threshold" and click to enter.
4. On the "Upgrade Monthly Card without Threshold" page, select the monthly card type you want to upgrade and pay the corresponding fee.
5. After the payment is successful, your Pinduoduo monthly card will be upgraded to a monthly card with no threshold, and you can enjoy more benefits and discounts.