How to use someone else's membership card in Shijiazhuang Xiduodebaisi warehouse store?

Shijiazhuang Xiduode Baisikang Store can't use other people's membership cards, but can only enter with others. One person can apply for a main card and a supplementary card. Both cards can bring family members into the store, and children can bring them directly. The membership card of warehouse member supermarket is divided into main card and auxiliary card. The main card can only be used by oneself, and anyone can use the auxiliary card. Member supermarkets in different warehouses have different management of membership cards. Take a well-known warehouse member supermarket as an example. The membership card of the warehouse member supermarket can be used by many people, but the cardholder must be there, because if you shop in the warehouse member supermarket, you must check the membership card. You can't go shopping if the information is inconsistent.