Online brand, also known as online trademark, refers to the extension and protection of company names, products or offline brands on the Internet. After offline trademarks and brand words are registered, they are protected by trademark law, but they exceed a certain scope. , trademark law cannot restrict and protect. If an enterprise or company wants to develop and market on the Internet, it needs to register an online brand at the Internet Center to ensure the safe use of offline brands on the Internet. Achieving network-wide protection is also a comprehensive protection of the company's network intellectual property rights to avoid the loss of network brands. Both offline and online need to be protected. At the same time, online brands are unique, scarce, and authoritative, which protects online brands and avoids brand duplication.