Spironolactone is itraconazole, a triazole derivative with broad-spectrum antifungal activity. It has a more pronounced inhibitory effect on a variety of skin ringworm and Candida infections. It can be used for the treatment of esophageal and vaginal candida infections, lichen planus, tinea capitis, onychomycosis, tinea cruris, tinea versicolor, etc. It also has a positive therapeutic effect on the esophagus and oropharyngeal candida infections of HIV-infected patients. Patients with heart failure, abnormal liver or kidney function, or liver disease should disable this drug. The drug has a strong relationship with diet, which can significantly affect the absorption of the drug, so in order to better utilize the drug, the application of the drug should not be taken at the same time with food, or should not be eaten within one hour after oral intake.