Labeling planet content can be better classified and retrieved, and theme content can be labeled in knowledge planet. Let me introduce you to the specific operation and adding method.

Mobile phone:

1. When publishing the theme, click the "#" logo, which will show that the planet has a label;

2. At the same time, you can click "Add Label" to add a new label.

PC side:

1. Click the mark with "#" at the bottom of the edit box to display the existing labels in the planet, or directly enter double "#" in the edit box to enter the label contents of two wells;

2. Add a label to the previous theme and select the "ⅴ" sign on the right side of the theme. After clicking, the "Add Label" option will pop up, and you can add it yourself. Please note that only the star owner and administrator have this right.

Tagging will help you better understand the preferences of users and the classification of content on the planet. It is a good habit to develop the habit of tagging.