The main ingredient of Celebrex is ketoconazole, which has antifungal effect, and seborrheic dermatitis may be related to fungal infection according to modern research, so it can be treated with Celebrex, which is normally used once in 2-3 days, and the general course of treatment is about 1 month. As the occurrence of seborrheic dermatitis is the result of greasy head skin and the presence of Malassezia furfur in large quantities on the basis of greasy head, so Celebrex is a good indication for seborrheic dermatitis and can be used normally, in addition to the recommended combined treatment with endocrine adjustment and cortical secretion inhibiting drugs.