Using some trademarks is trademark infringement. Generally speaking, if the significant part of a registered trademark is used on goods that are identical or similar to the registered trademark, it may constitute trademark infringement. Anyone who commits any of the following acts is an infringement of the exclusive right to use a registered trademark: 1. Using a trademark that is identical or similar to the registered trademark on the same or similar goods without the permission of the trademark registrant; 2. Selling an infringed trademark Products with exclusive rights to registered trademarks; 3. Counterfeiting or making without authorization the registered trademark signs of others or selling counterfeit or making without authorization the registered trademark signs; 4. Without the consent of the trademark registrant. Change its registered trademark and put the goods with the changed trademark back on the market. Legal basis: "Trademark Law of the People's Republic of China" Article 67 If the use of a trademark identical to its registered trademark on the same kind of goods without the permission of the trademark registrant constitutes a crime, in addition to compensating the losses of the infringed party In addition, criminal liability shall be investigated in accordance with the law. If a person forges or manufactures other people's registered trademarks without authorization or sells forged or unauthorized registered trademarks, which constitutes a crime, in addition to compensating the losses of the infringed party, criminal liability shall be pursued in accordance with the law. Anyone who knowingly sells goods that are counterfeit registered trademarks constitutes a crime. In addition to compensating the losses of the infringed party, he will also be held criminally responsible in accordance with the law.