Dog Anxiety How To Help With My -Dog's Anxiety?

How to help with my -Dog's anxiety? - dog anxiety

My dog has very bad anxiety when I saw him for a walk. He barks just about everything, and shakes it as he fears. So, if I am in the car. Denied, groans, and bark for the passage of bicycles, motorcycles or people walking.
Does anyone know a good remedy for anxiety dog, I can use it to calm him down.