There are many fleas and ticks on the dog. It is recommended to do external deworming immediately, or you can take the dog to the pet hospital for treatment. When choosing deworming medicine, be sure to buy it from a regular pet hospital. Pay attention to the sanitation of the environment where your dog lives, clean and disinfect it frequently, and don’t leave every corner untouched. In addition, don’t take your dog to dirty or dirty environments. Places in woods and grass to avoid infection with parasites.