Itraconazole is a triazole antifungal drug, mainly used for various fungal infections, such as gynecological vulvar and vaginal candidiasis, dermatological and ophthalmic infections, such as lichen planus, dermatophytosis, fungal keratitis and oral candidiasis. It can also treat systemic deep fungal infections, like Aspergillus or Candida causing Aspergillosis, Candidiasis and Cryptococcosis, etc. This drug is a relatively good antifungal drug, the use and dosage are different according to the disease, for example, for the treatment of some gynecological vaginal candidiasis, there is a three-day dose therapy, and there is also a one-day therapy. Other fungal skin infections and oral candidiasis have different uses and courses of treatment, which should be guided by a doctor.