If your dog has ringworm, you can use terbinafine hydrochloride, nano-silver, skullcap, Mingruin and other drugs to treat it, or you can take the dog directly to the pet hospital for examination and medication under the guidance of a veterinarian, usually 1-2 It can be cured within weeks. Pay attention to the hygiene of the dog's living environment, bathe the dog regularly, and deworm the dog to avoid infections caused by bacteria and fungi.