Sulfur soap has the role of killing pathogenic microorganisms, but its concentration is low, can not be used to treat jock itch, only play an auxiliary role, and sulfur soap has irritation, can make the skin red, make the treatment more complicated, sulfur soap is not recommended to be used to treat jock itch. Ringworm is a fungal infectious skin disease, often caused by dermatophytes invading the skin keratin, the treatment of ringworm is mainly the external application of antifungal drugs, commonly used terbinafine cream, naftifine ketoconazole cream, luliconazole cream, etc., twice a day to apply to the affected area, the scope of the application can be appropriately enlarged, the general 1-2 weeks of the skin rash can be eliminated, at least after the elimination of at least 1 week of consolidation of the treatment can be.