Econazole nitrate is a kind of azole antifungal drug, is a kind of antifungal kind of drug, to epidermis, yeast and other fungi, has the inhibition effect, especially to Candida has high efficacy. Because oral administration of this drug is more harmful to liver function, so there is no oral and injections to carry out, topical preparations are more, there are econazole nitrate cream, solution and suppository. Econazole nitrate cream and solution are used to treat tinea corporis, ringworm, ringworm, lichen planus and other skin diseases caused by fungi, and the usage is usually applied twice a day for a course of 2-4 weeks; suppositories are mainly used to treat Candida vaginitis, and the usage is usually 1 capsule inserted deep into the vagina every night at bedtime for 3 days as a course of treatment. For Candida vaginitis, antifungal drugs should be applied at the same time. Adverse reactions to topical econazole nitrate are relatively 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 medication with caution.