1. Inquire through Starbucks China official website.
2. Call Starbucks customer service number 4008206998 to check the fund balance in the card.
3. When spending in Starbucks, ask barista to use cash register to check the balance.
Look at the end of the card number. The end of the card number is 0 1, which means 100, 02 means 200, and so on.
I hope the above information can help you solve the problem. Please feel free to let me know if you have any other questions.