If you want to keep your personal list of Facebook friends or want to hide it and not everyone knows how and why we have friendly one to show you how to do this.
To acundeti list of friends must go on your main page and click the right corner on Edit Profile
On the left side then choose Friends and Family
Friends in the right click and choose globe friends how to display your page Public (everyone displays), Friends (only friends) etc.. Then press Save Changhes.