If you find that Xiaomi Circle is pirated, you can take the following measures to complain about rights protection: 1. Contact the publishing house: If you know the publishing house of the book, you can contact them directly to complain. Publishing houses have the right to copyright protection and can take legal measures to protect their own copyrights. 2. Contact the copyright regulatory agency: If you don't know the contact information of the publishing house, you can contact the copyright regulatory agency, such as the National Copyright Administration and the comprehensive law enforcement agency of the cultural market, report the piracy and ask them to take action. 3. Online reporting platform: You can also go to the reporting platforms of relevant websites, such as China Copyright Protection Network, People's Republic of China (PRC), Ministry of Public Security, etc. When filling in the report form, you should provide detailed evidence and information, such as the name, publisher and author of pirated books. 4. Buy genuine books: The most effective way to protect rights is to buy genuine books. If everyone chooses to buy genuine books, it can effectively curb piracy and promote the healthy development of the cultural industry.