Legal analysis: it is illegal. According to the relevant laws and regulations, anyone who forges or makes another person's registered trademark logo without authorization or sells a forged or made registered trademark logo without authorization is an act of infringing the exclusive right to use a registered trademark. When handling the case, the administrative department for industry and commerce will order it to immediately stop the infringement, confiscate and destroy the infringing goods and tools mainly used to manufacture infringing goods and forge registered trademarks. If the illegal business amount is more than 50 thousand yuan, a fine of less than five times the illegal business amount may be imposed. There is no illegal business amount or the illegal business amount is less than 50 thousand yuan.

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.