Legal analysis: The identification of trademark infringement is as follows: 1. Using a trademark that is identical or similar to the registered trademark on the same or similar goods without the permission of the owner of the registered trademark.

2. The act of replacing the registered trademark without the consent of the trademark registrant and putting the goods with the changed trademark back on the market.

3. Selling goods that infringe the exclusive rights of registered trademarks, etc.

Legal basis: Article 213 of the Criminal Law of the People's Republic of China and the People's Republic of China. Without the permission of the owner of the registered trademark, the use of a trademark that is the same as the registered trademark on the same kind of goods or services shall If the circumstances are serious, he shall be sentenced to fixed-term imprisonment of not more than three years and concurrently or solely with a fine; if the circumstances are particularly serious, he shall be sentenced to fixed-term imprisonment of not less than three years and not more than 10 years and shall also be fined.