Causes of swollen dog face:

1. It may be an allergic reaction. When a dog is bitten by bees or mosquitoes, or smells the pollen of certain plants, it may cause an allergic reaction. This allergic reaction can occur.

2. If lymph nodes are swollen due to oral diseases, etc., it will also cause the dog’s face to swell.

3. Accidentally causing facial bruises, bacterial infections, etc. while playing, the dog's face may also become swollen.

4. It may be caused by some external parasites. Mosquito bites or tick parasitism can cause the dog's face to become swollen.

Solutions to a swollen dog's face:

1. If it is caused by allergies, keep the dog away from the allergens, and the swelling will slowly subside.

2. If it is caused by oral disease, the owner should anti-inflammate the dog and clean it with mouthwash.

3. If it is caused by trauma and infection, it is recommended that the owner take the dog to the pet hospital for examination. After confirming the cause, the dog can be treated scientifically and effectively.

4. If it is caused by parasites, the owner should deworm the dog in time.