Ringworm in cats infects human skin causing tinea corporis and can be completely cured. Ringworm in cats is mainly caused by infection by Trichophyton rubrum, Trichophyton mustelii, and Trichophyton verrucosum, and will cause scaly red patches of skin, with clear boundaries and expanding edges up to 4 weeks, forming a ring-like erythema. It can be treated with topical and systemic medications. 1. Topical medication: Commonly used medications include terbinafine cream, ketoconazole ointment, bifonazole cream and so on. 2. Systemic medication: for patients with larger area, heavier inflammation, longer course of disease or recurrent attacks, oral itraconazole capsules or terbinafine tablets and other antifungal medication can be used to treat the disease, and at the same time with the combination of topical medication, which will increase the therapeutic efficacy. All of the above drugs should be used under the guidance of a professional doctor, and it is recommended that patients with ringworm seek medical attention in a timely manner and standardize treatment under the guidance of a doctor.