Econazole nitrate is a kind of azole antifungal drug, is a kind of antifungal more kinds of drugs, to the epidermis ringworm, yeast and other fungi, has the bactericidal and bacteriostatic effect, especially to the candida has high efficacy. Because oral administration of this drug is more harmful to the liver, so there is no oral and injection carried out, the topical preparation is more, there are econazole nitrate cream, solution and suppositories and so on. Econazole nitrate cream and solution are used for the treatment of ringworm, jock itch, ringworm, lichen planus and other fungal-induced skin diseases, the use of which is usually applied twice a day for 2-4 weeks; suppositories are mainly used for the treatment of candida vaginitis, and the use of which is usually inserted into the deep part of the vagina with 1 capsule every night before going to bed, with a course of treatment for 3 days. Subjects with candida vaginitis should apply antifungal drugs at the same time. Adverse reactions to topical econazole nitrate are rare, and care should be taken not to apply it to mucous membrane areas such as the eyes, mouth and nose. If allergic reactions such as redness and swelling occur after topical application, the drug should be discontinued. Pregnant and lactating women should also use this drug with caution.