Well every family fights and the way to handle it depends on which members of your family are fighting, but talking things through is almost always the best way to go about it.

If your parents fight alot then it's doesn't necessarily mean that they hate each other or are planning on getting a divorce, but if its bothering you so much then the best thing to do would be to sit them down and have a talk with them on how their fighting is making you feel. Even if parents fight alot, they'll almost try and make things better if they see that it's affecting their kids negatively.

If your parents are fighting with your siblings then the best way to go about this is still to have a sit down with the affected parties and have them talk out their issues with you as the moderator. Often times it can be difficult to get parents to see a child's side of the issue as anything but youthful exuberance, but if you can manage to get them to sit down and talk then it'll go a long way.

If your siblinfs are fighting amongst themselves, then sometimes it's good to actually let them be at first. It's called sibling rivalry and with time they'll eventually get over it, but if you feel it's something serious, the, stepping in and making them talk it out is always a good option. Moreover, they're siblings, no matter how they fight and argue, they still love each other.

If you happen to get into an argument with any member of your family then how bout you maintain a cool head and try and talk it out without raising your voice. If tempers are flaring at the time of the argument then give it a few days then revisit the issue again, but this time, do it when both of you are less angry.

I hope this helps.