The ringworm on the inner side of the thigh is mostly considered to be caused by tinea cruris, and it is recommended to take general treatment, medication and other ways to improve. 1. General treatment: for ringworm patients, daily attention to skin hygiene, keep the local skin clean and dry, do not scratch, picking and scratching the affected area. At the same time, you need to regularly wash and disinfect your clothes, and eat more light and nutritious food. Do not share towels, underwear and other personal items with others to avoid cross-infection. 2. Drug treatment: patients need to follow the doctor’s instructions for external use of miconazole, ketoconazole, terbinafine and other antifungal drugs, which can play a role in inhibiting the synthesis of fungi, and promote the efficacy of the recovery of the skin lesions. If the skin lesions are serious, you need to take oral medication, such as terbinafine, itraconazole and other antifungal drugs, to help the disease recovery. If you suffer from ringworm, you need to go to a regular hospital and cooperate with the doctor for standardized treatment.