Ringworm is caused by fungal infection, the skin lesions are dry and red, mainly external drug treatment, if necessary, can be combined with oral drug treatment. 1. external medication: the treatment of ringworm is based on antifungal medication. Such as terbinafine application, ketoconazole cream, miconazole cream, can inhibit the fungus. Topical tretinoin econazole cream is anti-inflammatory, antiseptic and symptomatic. 2. Oral medication: If the lesions are generalized or the efficacy of external medication is not good, with oral antifungal drugs, including terbinafine hydrochloride, itraconazole capsules, etc., there is the role of inhibiting fungi, and the joint use of external medication can increase the efficacy of the treatment. Ringworm is recommended to the hospital dermatology consultation, clear diagnosis, under the guidance of the doctor with medication.