Seborrheic dermatitis is a secondary inflammation of the skin based on seborrhea. The principle of topical medication is to remove sebum, anti-inflammatory, antiseptic and antipruritic. The common drugs are: 1, corticosteroids, such as Eloson, Denide, Eudrag, Halometasone, etc. 2, if the lesions have exuding vesicles, you can first use 3% boric acid solution, or saline open cold wet compresses, in the interval of wet compresses, topical application of aureomycin or furacilin ointment to control secondary infection, to stop the exudation before the use of hormone cream; 3, you can also use compound preparations The cream can also be used as a compound, such as thiocin cream, compound miconazole cream or compound econazole cream. The hormonal creams for seborrheic dermatitis on the face should not be used for a long time, and should be discontinued after about 1 week. It is recommended to use calcium phosphatase inhibitors for maintenance treatment, such as tacrolimus ointment or pimecrolimus cream.