Ringworm of the anus, i.e., tinea cruris, the symptoms mainly include itching, etc. Its treatment mainly includes general treatment, medication and so on. 1. Symptoms: The main symptoms are skin lesions and significant itching. The skin lesions are generally characterized by red papules, papules, followed by the formation of scaly red patches with clear borders. Some patients may also develop eczema-like changes. 2.Treatment (1) General treatment: pay attention to local hygiene, pay attention to protect the skin lesions, avoid scratching and so on. (2) Drug therapy: ketoconazole and other antifungal drugs are commonly used for external treatment. Some serious patients can also use oral drugs such as itraconazole for treatment. The use of specific drugs should be carried out under the guidance of physicians. It is recommended that once abnormal anal manifestations are found, they should go to the hospital in time for examination and actively cooperate with the diagnosis and treatment, so as to avoid aggravation of the condition and adverse effects on the body.