Dog reactivity refers to a dog’s tendency to become overly excited, anxious, or aggressive in response to certain stimuli, such as other dogs, people, or objects (toys, food, etc).  Training can be an effective way to help a dog manage or even eliminate reactivity. Here are a few training methods that may be helpful: Desensitization and counterconditioning: This involves gradually exposing the dog to the stimuli that trigger their reactivity (such as other dogs) and rewarding him for calm behavior. Over time, this can help the dog learn to associate the trigger with positive experiences instead of anxiety or aggression. Obedience training: Teaching the dog basic obedience commands (such as “sit,” “stay,” and “come”) can give him a sense of structure and purpose, which can help reduce reactivity. Leash training: Teaching the dog to walk calmly on a leash can help prevent him from becoming reactive when out on walks. Exercise and mental stimulation: Providing the dog with adequate exercise and mental stimulation can help tire him out and reduce reactivity.