There are many ways to calm down the anger like-
1) Do meditation in the morning this will lead you a good day and also you fell fresh.
2) Think before you speak. In the heat of the moment, it's easy to say something you'll later regret.
3) If you get angry for any reason then drink 1 glass of water this will help you to stress down the anger.
4) Once you're calm, express your anger.
5) Get some exercise.
6) Take a timeout.
7) Identify possible solutions.
Avoid such things that will cause you a anger.
By taking these steps you may feel free and you should able to control your anger