When you block someone on Facebook , the blocked person will not be able to view posts made by you, post on your wall, and cannot send you a friend request. This is a two-way restriction which means that even you will not be able to view the posts made by him/her, post on his/her timeline, and you cannot send him/her friend request. Also, if the person is on your friends list , as soon as you block the user, he/she is automatically removed from your friends list.Before you proceed, you might to checkout how to: Block Facebook Friends Deactivate Facebook Account Cancel Sent Facebook Friend Requests If you have blocked a person unintentionally, or if you two have made peace with each other, you can unblock the blocked user on your profile by following the steps described below: How To Unblock A Blocked Facebook Friend On Web Browser Open facebook.com On the Facebook’s welcome screen, login with your details. On the homepage of your acc...