Characteristics: 1) It occurs mostly in spring and autumn. 2) Prevalent in women, mostly with dry skin. 3) IgE-mediated delayed contact skin allergy due to airborne pollen antigens; serum levels of total and specific IgE may be increased. 4) Associated with dry air, windy conditions, and excessive washing – facial dehydration and reduced protection. 5) Mostly manifested as dry skin, tautness, dry itching, dry pain, peeling, erythema, edema or rice-sized red edematous papules. Treatment: 1, Western medicine treatment to anti-allergic, anti-itch, moisturizing principle, you can take oral antihistamines, topical emulsions, low-potency corticosteroids such as hydrocortisone butyrate. (2) Chinese medicine treatment: (1) Wind-heat skin – erythema, burning, swelling, pimples – dredge wind and clear heat – add reduction to eliminate wind and heat. (2) Blood deficiency and skin dryness – dryness and flaking – nourishing blood and moistening dryness, relieving wind and relieving itching – Angelica Drinking Plus and Minus. 3, a single prescription: raw mung beans 60. raw rice kernel 30, add the right amount of sugar simmered, even soup 1 time tonics, once a day. Preventive care: 1, do not drink too much, eat spicy and stimulating food, eat more vegetables, fruits. 2, sun protection. Ultraviolet rays will accelerate the loss of moisture in the stratum corneum. 3, sleep adequately. 4, moisturize.