To publish a book in Hong Kong, you need to go through the following steps: 1. Confirm the content of the book: You need to confirm the content of the book to be published and whether the book is allowed by Hong Kong law. 2. Contact a publishing house: You can contact some well-known publishing houses such as Hong Kong Bookstores, Hong Kong editors, etc. You can contact them through their official website or phone and explain the intention of publishing and the content of the book. 3. Submit a publication application: Once you have confirmed the publishing house you want to contact, you need to submit a publication application to them. The application had to include the book's name, author, publication date, content summary, copyright notice, and other information. 4. Review and approval: The publishing house will review the publication application and judge whether to allow the publication according to relevant laws and regulations. If the application was approved, the publishing house would contact them and provide publishing services. 5. Print and distribution: Once the book is approved for publication, it will be printed and distributed by the publishing house. It should be noted that publishing in Hong Kong requires compliance with local laws and regulations. Therefore, it is recommended to understand local laws and regulations before proceeding with any steps.