Legal analysis: illegal, belonging to brand infringement. Brand infringement is also called trademark infringement. Trademark infringement refers to the behavior that the actor uses the same or similar trademark on the same or similar goods without the permission of the trademark owner, or other behaviors that interfere with or hinder the trademark owner from using its registered trademark and damage the legitimate rights and interests of the trademark owner. The natural person or legal person whose trademark exclusive right is infringed upon when the actor sells goods that he knows or should know are counterfeit registered trademarks has the civil right to demand the infringer to stop the infringement, eliminate the influence and compensate for the losses. Having the following elements constitutes the infringement of selling counterfeit registered trademarks: 1) Whether the trademarks are similar; Trademark approximation is mainly analyzed from the angles of sound, form, meaning and composition of trademarks. 2) Whether the goods or services are similar; Similar goods refer to goods that are exactly the same in functions, uses, production departments, sales channels and consumers. , or the relevant public generally considers it relevant and confusing. 3) Whether it is easy to cause confusion among relevant public.

Legal basis: Article 57 of the Trademark Law of People's Republic of China (PRC) commits any of the following acts, all of which are infringement of the exclusive right to use a registered trademark: (1) using a trademark identical to its registered trademark on the same commodity without the permission of the trademark registrant; (2) Without the permission of the trademark registrant, using a trademark similar to its registered trademark on the same kind of goods, or using a trademark identical with or similar to its registered trademark on similar goods is likely to cause confusion; (3) selling goods that infringe upon the exclusive right to use a registered trademark; (4) Forging or unauthorized manufacturing of registered trademark marks of others or selling forged or unauthorized registered trademark marks; (five) without the consent of the trademark registrant, the registered trademark is changed and the goods with the changed trademark are put on the market again; (6) Deliberately facilitating the infringement of the exclusive right to use a trademark of others and helping others to commit the infringement of the exclusive right to use a trademark; (seven) causing other damage to the exclusive right to use a registered trademark of others.