Click your profile picture in the top-right corner.
Blocking someone on Facebook is a great way to take a break from a toxic connection or stop unwanted harassment. But sometimes, feelings change, arguments fade, or you simply miss seeing their updates.
Find the "Block users" section. Next to the person's name, click Unblock .
Select Settings & privacy , then click Settings .
Tap Blocking .
Scroll down and tap Settings & Privacy . Then tap Settings .