I cloud

Hi maroun164,

Are you referring to a note from the Notes app? If so, check out the information below found in the article here: If you're missing notes on your iPhone, iPad, or iPod touch

"Check your Recently Deleted folder

If you store your notes on iCloud, check your Recently Deleted folder:

1. Open Notes, then tap the back icon  until you see your Folders list.
2. Tap Recently Deleted and search for your note.

If you find your note in Recently Deleted or in another folder, you can move it:

1. In the Notes list, tap Edit.
2. Select the note that you want to move.
3. Tap Move, then select the folder you want to move it to."

If the additional steps in the article don't assist, view and complete the steps here: Delete and recover notes on iCloud.com - Apple Support

Cheers.