legal analysis: the protection scope of well-known trademarks includes: 1. prohibiting improper registration; 2. Prohibit improper use; 3. It is forbidden to use it as a trade name. The exclusive right to use a registered trademark is limited to the registered trademark and the goods approved for use. Legal basis: According to Article 56 of the Trademark Law of the People's Republic of China, the exclusive right to register a trademark is limited to the trademark approved for registration and the goods approved for use.