"Return one, pay three" refers to a consumer rights protection measure in which consumers can return goods and receive triple compensation under certain circumstances. According to the provisions of the "Consumer Rights and Interests Protection Law of the People's Republic of China", the following conditions must be met for a refund of one and a compensation of three:

1. When the product has quality problems or does not meet the agreement, the consumer You have the right to return the product and receive triple compensation.

2. Consumers should provide proof of purchase and goods when returning goods for merchants to verify.

3. Consumers need to notify the merchant immediately if they discover quality problems or non-compliance with the agreement within 7 days from the date of purchase.

4. When returning goods, consumers should ensure that the goods have not been used or damaged, and should retain the original packaging, accessories, instructions and other accessories of the goods.

It should be noted that the refund of one and compensation of three is not applicable to all products. For example, perishable goods such as food, cosmetics, and medicines are not eligible for a one-for-three refund. In addition, consumers also need to abide by relevant laws, regulations and merchant regulations, such as not returning goods maliciously, not opening goods without permission, etc.

In short, refunding one and compensating three is a consumer rights protection measure, and certain conditions must be met before you can enjoy it. Consumers should pay attention to the quality and contract of the goods when purchasing goods. If any problems are found, they should promptly notify the merchant and return the goods.

Legal basis:

Article 49 of the "Consumer Rights and Interests Protection Law"

If an operator engages in fraudulent behavior in providing goods or services, it shall be in accordance with the consumer regulations. If the consumer requests increased compensation for the losses suffered, the amount of increased compensation shall be double the price of the consumer's purchase of goods or the cost of receiving services.