How to add permanent prefix in QQ space

The # # mentioned is the same as the # # in Weibo, and the words added in the middle represent the introduction of a topic; If there is a prompt in the edit box of Talk and Weibo, click to appear directly in the content input box.

And it is completely a special symbol, which is found in the soft keyboard of the input method.

In addition, there is no so-called permanent prefix symbol in the Weibo and the content border, so you need to enter it manually when editing.