Legal analysis: The rules for using the membership card of Jiutianjia Black Cattle Barbecue are complicated, not only between direct stores and franchise stores, but also between direct stores and direct stores. If "Jiutianjia Black Bull Barbecue Cuisine" did not elaborate on the use of the card when Mr. Zhang applied for it, then the merchant was suspected of misleading the consumer and infringing on the consumer's right to know, and Mr. Zhang had the right to ask the merchant to refund the remaining amount in the card. Membership card is a kind of prepaid card, and it should follow the relevant regulations. Mr. Zhang Can coordinates the refund with the merchants. If the merchant refuses to refund, he can complain to the market supervision department.

When consumers apply for membership cards, they should first know whether the merchants are affiliated enterprises or direct-operated enterprises, and ask in detail about the conditions and restrictions of using the cards. If businesses are ambiguous or vague, they must be careful.

Legal basis: Article 8 of the Law of People's Republic of China (PRC) on the Protection of Consumers' Rights and Interests, consumers have the right to know the real situation of the goods they buy or use or the services they receive.

Consumers have the right to require business operators to provide information such as price, place of origin, producer, use, performance, specifications, grade, main components, production date, expiration date, inspection certificate, instruction manual, after-sales service or service content, specifications and expenses according to different conditions of goods or services.