The treatment of tinea cruris by native methods is not scientific, and can be improved by general treatment and medication. 1. general treatment: ringworm patients should pay attention to personal hygiene, keep hands clean and dry, avoid soaking hands in water for a long time, and try not to contact with irritating detergents, so as not to aggravate the condition. 2. medication: you can follow the doctor’s instructions for external use of antifungal drugs, such as clotrimazole, naftifine, cyclopyrrolidine, etc., with antibacterial, bactericidal effect. If the effect of external drug treatment is not good, patients can also follow the doctor’s instructions oral antifungal drugs, such as terbinafine, itraconazole, fluconazole and so on. It is recommended that ringworm go to a regular hospital, under the guidance of the doctor for treatment, do not blindly use native methods, so as not to aggravate the condition.