How to deal with two dogs fighting all day long at home:

1. Create their own space for the dogs: Create their own independent space for each dog, including Separate beds, toys, food and water can reduce resource competition between dogs.

2. Avoid triggering quarrels: Pay attention to the dog’s body language and avoid triggering quarrels in time. For example, don't let them approach when they look nervous, angry, or threatening.

3. Give dogs enough exercise and stimulation: Giving dogs enough exercise and stimulation can consume their energy and reduce their tension and desire to attack.

4. Basic commands for training dogs: Training basic commands for dogs, such as "sit", "standby", etc., can allow them to better understand and obey your instructions and reduce unnecessary conflict.

5. Seek help from a veterinarian or professional trainer: If the fighting between dogs is serious and cannot be controlled by themselves, you can seek help from a veterinarian or professional trainer. They can give targeted suggestions and training plans based on specific situations.

Reasons for dogs fighting:

1. Fighting for territory. Dogs are pets that occupy territory. Fights may occur in order to regain their territory.

2. Confirmation of hierarchical status. There is a certain sense of hierarchy among dogs, and they will fight to confirm their status.

3. In estrus. When dogs are in estrus, many male dogs fight with each other, biting and fighting for the right to mate.

4. Jealousy. If the owner is found to be close to other dogs, the dog will feel jealous and attack the other dog.