When Pingxiang Bubugao Supermarket is closed, there are several processing methods for supermarket card holders:

1. For the balance in the supermarket card, you can contact Bubugao Supermarket customer service with the supermarket card and identity The certificate will be returned.

2. If the supermarket card has a validity period, you can contact customer service staff to extend the validity period of the supermarket card so that it can be used in other cities.

3. If there is nothing to shop at BBK Supermarket, you can choose to go to BBK for refund, but you need to abide by the corresponding deposit policies and shopping card management methods.

4. If you have any questions about the handling of supermarket cards, you can submit a complaint to the local financial regulatory agency. According to the "Financial Consumer Rights Protection Law of the People's Republic of China", the local financial regulatory authority Institutions should promptly handle consumer complaints and provide fair compensation in accordance with the law.

The above are some processing methods for supermarket cards, and the details should be determined according to the policies of BBK Supermarket.