In fact, the best treatment for tinea cruris is considered to be the most standard treatment, and drugs should be used according to specific circumstances: first, drugs are mainly used outside the clinic, and commonly used antifungal drugs include butenafine, bifonazole cream, compound ketoconazole cream, etc. If it happens repeatedly for a long time, it can be combined with oral antifungal drugs, such as itraconazole capsules, terbinafine tablets, etc. Second, if the perineum area is wet, it is very suitable for the survival of the fungus infected by tinea cruris in this case, so you must use the lotion to dry dampness and relieve itching. The commonly used ones are Baiai lotion, Jinbai lotion, etc., which are washed once a day. Third, wear loose and breathable underwear, pants, and underwear should be frequently washed and exposed to the sun. In addition, keep the crotch fresh and breathable. Fourth, the course of treatment must be sufficient. We generally recommend that you use drugs for at least 20 days, or even more than a month. You must adhere to an adequate course of treatment.