Hormone-dependent dermatitis refers to the recurrence and aggravation of the original skin disease and the appearance of polymorphic skin damage due to the long-term topical use of glucocorticoid-containing preparations once the drug is discontinued. The causes are: 1. Inappropriate use of hormones: Failure to correctly and reasonably select the appropriate topical glucocorticoids for patients. 2.Improper selection of indications: Long-term abuse of medium- and strong-acting glucocorticoids for some skin diseases for which hormones are used with caution, such as acne, rosacea, facial unidentifiable ringworm and chloasma. 3.Improper selection of medication sites: It is better not to choose such hormones for sites that are not suitable for medium- and strong-acting hormones and fluorinated hormones, such as the face, under the breasts, external genitalia, armpits, groin and infant skin. 4.Too long topical application time: long-term use of glucocorticoids, high-efficiency hormones more than 20 days, low- and medium-acting hormones more than 2 months. 5.The use of hormones as cosmetics: hormones mixed into cosmetics, long-term application of the so-called “special effects of skin rejuvenation, whitening” cosmetics have become dependent. Clinical manifestations of hormone dependent dermatitis: 1, skin thinning, flushing with capillary dilation; 2, acne-like dermatitis: acne, papules, pustules; 3, pigmentation; 4, skin aging: dry skin, flaking, roughness, and even atrophy; 5, hair thickening and lengthening. Prevention: 1, reasonable choice of glucocorticoids, facial and infant skin is best not to use medium and strong hormones and fluoride hormones, if you need to use, should try to use weak, non-fluoride hormones, do not use more than 1 month. Acne, rosacea, superficial fungal disease, melasma and other skin diseases should not use glucocorticoids externally as much as possible, and if they are used, they should try to use non-fluorinated hormones for not more than 1 week. 2. Educate patients not to use cosmetics containing glucocorticoids.