Eczema is an inflammatory skin disease caused by a variety of internal and external factors with a pronounced tendency to exude, accompanied by significant itching, prone to recurrence, and seriously affects the quality of life of patients. It is a common disease in dermatology, accounting for about 30% of outpatient visits, with a prevalence of about 7.5% in the general population in China and 10.7% in the United States. The etiology and pathogenesis of eczema is quite complex, involving a variety of internal and external factors, the aggravation and recurrence of the disease and the living or working environment, the application of chemicals in life, the structure of the diet, sun exposure, etc. have a certain correlation. The clinical manifestations of eczema can be divided into three phases: acute, subacute and chronic. The acute phase is characterized by erythema, edema on the basis of corn-grain papules, papules, blisters, vesicles and exudate, the center of the lesion is often heavy, and gradually spread to the surrounding, and the periphery and scattered papules, papules, so the boundary is unclear. In the subacute stage, the redness and exudation are reduced, and the vesicular surface is infatuated and desquamated. Chronic eczema mainly manifests as rough hypertrophy, mossy changes, may be accompanied by pigment changes, hand and foot eczema can be accompanied by nail changes. In order to achieve the desired therapeutic effect, eczema patients need to pay special attention to the following aspects: First, avoid triggering or aggravating factors: patients should carefully find a variety of suspected causes and triggering or aggravating factors to remove the cause of the disease; Second, the diet should be light, avoid spicy and irritating food, avoid eating fish and shrimp food, especially seafood; Third, avoid scratching and scalding. Avoid contact with chemicals in daily life, such as detergents, floor polish, nail polish, etc.; Fourth, dress should be soft, light-colored cotton clothing, clothing should be loose, the trademark of the clothing should be removed to avoid friction stimulation aggravate the disease; Fifth, avoid the environment with more dust or pollen, especially construction sites. Sun, hot environment, continuous sweating, cold and dry factors can aggravate the condition, should be avoided; Six, protect the skin barrier function: eczema patients have damage to the skin barrier function, easy to secondary irritation dermatitis, infection and allergies and aggravate the lesions, so it is very important to protect the barrier function. Should be selected for treatment of patients with non-irritating skin, subacute and chronic eczema of dry skin with moisturizers to keep the skin moisturized, can be used externally skin cream, such as our urea cream. Seven, while taking anti-allergy drugs, should try to avoid dangerous work, such as driving cars, working at height, operating equipment, etc.; eight, the correct use of topical eczema is very important, such as the face and scrotum vulva lesions should be used low or medium-acting hormone cream, and should not be used for a long time to see good; nine, such as the use of medication after the consultation process, such as increased skin lesions or aggravation of the disease, please promptly review the program to adjust The treatment should not be used for a long time. 10. Follow-up: The disease is prone to recurrence and patients are advised to follow up regularly. Acute eczema patients should preferably be seen once a week after treatment, subacute patients 1-2 weeks after treatment, and chronic patients 2-4 weeks after treatment.