A dog’s sense of smell is 1,200 times that of a human being. Generally, it can smell its owner within 500 meters. If it is in a special stage, such as a dog in estrus, it can receive information about one to two kilometers away, or even Some can even reach about ten kilometers. If it is a shepherd or hound, the sense of smell is more sensitive. Although the dog's sense of smell is sensitive, it is very fragile. Parents should pay attention to protecting the dog's sense of smell and not let it smell pungent odors frequently.

In order to protect the dog’s sense of smell, dogs must not let the following irritating smells smell:

1. Mint-flavored things, such as essential oils and mosquito repellent water : It contains a certain amount of mint, so when owners use Fengyoujing or mosquito repellent, they should try to stay away from their dogs.

2. Seasonings, such as pepper and chili powder: smelling it will make humans sneeze, let alone dogs with a more sensitive sense of smell.

3. Gasoline smell: The smell of gasoline or engine oil. You can smell the smell of gasoline when riding in a car. This is why most dogs get carsick.

4. Pungent fruit smell, such as durian, orange, lemon, etc.: These fruits will emit a very strong smell when peeled, which is also irritating to the dog’s nose. Very strong.