As i already told you that Facebook has lot of privacy setting and also by using it you can make your Facebook account highly safe as well as private. Currently Facebook individual has his control over lot of things on his Facebook account as well as Blocking Facebook friend list from other is additionally part of Facebook privacy setting.In situation if you don't want unfamiliar people to see your friend list then you could simply hide it from them. Blocking Facebook friend list from public or from your Facebook friends is very simple. For block your Facebook friend list from public simply follow the this guide:
How To Block Friends List On Facebook From Everyone
Traditional Facebook
1. Log right into your Facebook account as well as click your name at the top right corner to see your account page.
2. Click the "Edit" button at the upper right edge of your profile page. An "Edit Profile" page opens up.
3. Click "Friends and Relationships" on the left side of the page. New choices show up permitting you to change your friends list privacy settings to name a few things.
4. Click the drop-down arrowhead to the right of the "Friends" area.
5. Pick either "Friends" or "Only Me" to prohibit people from viewing your friends list. "Friends" limits accessibility to your friends list to just your friends. "Only Me" restricts accessibility to everyone except you.
6. Click "Save Changes" to complete.
Timeline
1. Log right into your Facebook account and click your name at the top right corner to view your account page.
2. Click "Friends" at the top of your timeline to watch your friends list.
3. Click the "Edit" button at the top right of the page. A drop-down menu appears.
4. Click the downward-pointing arrow in the drop-down menu. More alternatives show up.
5. Select either "Friends" or "Only Me" to forbid individuals from seeing your friends list. "Friends" limits accessibility to your friends list to only your friends. "Only Me" restricts access to everyone other than you.