Legal analysis: If the supermarket price tag does not match the price of the product, you can complain to the consumer association and ask the supermarket to compensate three times the loss required by the consumer.

Legal basis: "Consumer Rights and Interests Protection Law of the People's Republic of China"

Article 20: Operators provide consumers with relevant goods or services regarding the quality, performance, Information such as purpose and validity period must be true and comprehensive, and no false or misleading publicity is allowed. Operators shall give true and clear answers to consumers' inquiries regarding the quality and usage of the goods or services they provide. Business operators must clearly mark prices when providing goods or services.

Article 55 If an operator commits fraud in providing goods or services, he shall increase compensation for the losses suffered by the consumer at the request of the consumer. The amount of the increased compensation shall be the price of the consumer for purchasing the goods or receiving services. three times the amount of compensation; if the amount of additional compensation is less than five hundred yuan, the amount shall be five hundred yuan. If the law provides otherwise, such provisions shall prevail. If an operator knows that the goods or services are defective but still provides them to consumers, causing death or serious damage to the health of consumers or other victims, the victims have the right to require the operator to comply with Articles 49 and 51 of this Law. Other laws provide for compensation for losses, and the right to demand punitive damages of less than twice the loss suffered.