Question: how to train dog not to fight other dogs?
Answer: Be Calm and Decisive. Be calm and do not put continuous tension on the leash. ... 
Teach Our Dog Avoidance. Teach our dog avoidance. ... 
Create Space or Block the Other Dog. ... 
Create Neutral Experiences. ... 
Protect our Dog. ... 
Keep Greetings Short and Sweet. ... 
Be Aware of Aggressive Triggers. ... 
Desensitize our Dog to Other Dogs.