Summer atopic dermatitis is a skin condition caused by allergenic irritation. Common causes include animal fur, sun exposure, cosmetics, topical medications, foods, and plant leaves or stems. Red itching caused by skin allergies can be treated with general treatment as well as medication. 1. General treatment: (1) Actively search for the causes of allergy and avoid allergens, such as those caused by animal fur, avoid contact with animals and pay attention to environmental hygiene; if caused by food, prohibit consumption. (2) Don’t use hot water and alkaline lotion to wash and scald the skin, and avoid excessive scratching. (3) Eat a light diet and avoid stimulating and allergy-inducing foods, such as shrimp, fish and alcohol. (4) If it is clear that the patients are inhalant allergens, they can find the allergens through skin test and carry out specific desensitization treatment. 2. Drug treatment: (1) Systemic treatment: such as antihistamine drugs such as chlorpheniramine maleate, the adverse reaction is to cause drowsiness, attention to the use of drugs during the period prohibited to engage in aerial work and driving work. Loratadine tablets can also be used, this product does not see obvious sedative effect, the clinical application is more widely used. (2) topical drugs: commonly used glucocorticoid drugs, such as compound dexamethasone acetate cream, etc., pay attention to long-term use, to avoid causing local hyperpigmentation, hairy. Summer skin allergies, red itchy to consult a doctor in time, under the guidance of the physician for treatment, do not self-medication, to avoid causing adverse consequences.