Ringworm of the groin, also known as ringworm, belongs to the more common fungal infectious skin disease, manifested as ringworm growing on the root of the thigh. Treatment usually have the following methods: 1, topical drugs: to choose anti-fungal drugs, can first be used externally, such as naftifine ketoconazole cream, luliconazole cream and so on for topical application of treatment. 2, oral drugs: if two weeks later there is still no improvement, you can consider checking the liver function, in the premise of the liver function of the normal oral antifungal drugs, such as the choice of itraconazole, or terbinafine, for oral treatment, oral cycle is usually one to two weeks. Oral treatment, oral cycle is usually one to two weeks. If the lesions improve after oral treatment, ringworm reduction, itching improved is a sign of effective treatment, you can again after a period of time, first stop the oral medication, and then stop the topical medication after a week. Usually pay attention to keep the perineum area clean and dry, to reduce the recurrence or aggravation of fungal infection.