It is not recommended to use folk remedies to treat dogs that swallow fish bones. It is best to take the dog to a nearby pet hospital for examination and treatment. When giving fish to the dog, you can first pick out the bones and leave the fish meat for the dog. Feeding the dog, or giving it directly to the dog to drink fish soup will be more nutritious. Do not add any seasoning when making fish, use less oil and less salt to avoid discomfort to the dog.