To publish 1688 news, you can follow the steps below:

1. Log in to the 1688 website and enter the personal center page.

2. On the personal center page, select "My Product Release".

3. On the My Product Release page, select the "News" tab and click the "Publish News" button.

4. On the news release page, fill in the news title, content, pictures and other information.

5. Click the "Publish" button to confirm the release of the news.

6. After the release is successful, you can view the news you posted on the "My News" page, or you can view the latest news in the "1688 News" area on the homepage.

It should be noted that the release of 1688 news must comply with the relevant regulations of the platform, and false information, illegal information and other content must not be released. At the same time, the released news should have a certain marketing nature and be able to attract the attention and purchasing intention of potential customers.