The possible reasons why Baidu search history is gone are: clearing the history of commonly used browsers, or turning off Baidu search history function, or not logging into Baidu account. After entering the Baidu Privacy Center, open the Baidu history function. You can look at Baidu's historical search records.

View and delete Baidu history, the specific steps are as follows:

1. Open the Baidu homepage and log in to your personal account.

2. Click Settings at the top right of the page, and click Privacy Settings in the small box that pops up.

3. Click View/Clear Search History Words in the new page.

4. You can see the search record of Baidu history.

5. Click Delete Selection above to delete the history.