Douyin live broadcast announcements should include the following:

1. Live broadcast time: clearly indicate the start and end time of the live broadcast, as well as the frequency of the live broadcast (for example, once a week or once a day). 2. Live broadcast content: briefly describe the types of goods or services that will be sold in the live broadcast, as well as the characteristics and advantages of each product or service. 3. Live broadcast method: describe the form of the live broadcast and the interactive method, such as interacting with the audience through live broadcast images, voice chat, sending gifts, etc. 4. Purchase channel: provide channels and methods for purchasing goods or services, such as purchasing through Douyin live broadcast online mall, Taobao, JD.com and other platforms. 5. After-sales service: describe the guarantee measures for after-sales service, such as providing high-quality after-sales service, return and exchange policies, etc. 6. Slogan: use attractive language to attract the attention and participation of the audience, such as by praising the advantages of the product, providing limited-time discounts, etc. 7. Anchor introduction: introduce the live broadcast anchor, including the anchor's qualifications, experience and expertise, and the relevance of the anchor to the product or service. 8. Product display: Show the characteristics, advantages and usage of the product through live broadcast screen, so that the audience can better understand the product. 9. Interactive session: Provide interactive sessions, such as lucky draws, Q&A, sign-in, etc., to attract the audience's participation and attention. 10. Closing remarks: Thank the audience for participating and inform the time and theme of the next live broadcast.