Step 1:- Login to your Facebook account with your User Name and Password.
Step 3:- As shown in image below Click on "See all friends"
Step 4:- Click on 'Edit" thereafter click on Edit Privacy as shown in image below :-
Step 5:- When you will click on Edit Privacy a pop up windows will appear on your screen where you can see your friend list is selected as Public. Just click on Public front of friend list and select Only Me from the drop down menu.
Step 6:- After selecting "only me " click on Close.
Now you have all done.Now no one can see your friend list. Your friends can see mutual friends only in your Timeline.
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