The most annoying smells for dogs:

1. The smell of citrus fruits has a very pungent smell.

2. Some dogs are also afraid of the smell of leather, and even shoes made of leather are disgusting.

3. Alcohol also has a relatively strong smell. Different dogs may have different reactions when smelling it. Some may sneeze, while others may not be able to bear it and run away.

4. Herbs such as fresh basil, mint, rosemary and thyme all have strong aromas, and their high-concentration fragrances have a magical effect in repelling dogs.

5. Some chemical smells, such as soap detergents, detergents, deodorizing sprays, etc.

6. Spicy foods such as onions, garlic, chili peppers, mustard, pepper, etc. are unacceptable to dogs.