Infantile eczema (infantile eczema), called “milk ringworm” or “fetal convergence sore” in Chinese medicine, is an allergic skin inflammation caused by a variety of internal and external factors, and is one of the most common skin diseases of infancy. It is one of the most common skin diseases in infancy. The lesions are polymorphic, mainly papules, with a tendency to exude, and recurrent, alternating acute and chronic phases, with intense itching, and the cause is often difficult to determine. There is no obvious seasonality in the onset of the disease, but it often recurs in winter and can be generalized or confined, and because the lesions are on the epidermis, there is usually no scarring after healing. Infantile eczema is the infantile stage of atopic dermatitis (AD), its rash characteristics are divided into exudative and dry: 1, exudative: mostly in obese children, the initial start in the cheeks, manifested as indistinct erythema, with papules, blisters and exudate, the exudate dried to form a yellow scab, scratching to reveal the red vesicular surface. In severe cases, the entire face and head are involved. Secondary infection can be seen as pustules, local lymph node enlargement, and fever. In a few children, improper treatment can extend the whole body into erysipelas, accompanied by diarrhea, malnutrition, etc. 2, dry type: common in thin infants, manifested as red patches, dense small papules without blisters, no exudation, surface with gray-white bran-like scales. Involves the face, trunk and extremities. The chronic phase has mild infiltrative hypertrophy, scratch marks, cracking or crusting. General treatment principles: avoid any external stimuli, such as too hot and too cold, too much bathing, rubbing, wearing woolen products, etc.. Related to special food allergies need to restrict the diet. Special treatment: 1. Routine use of moisturizers. 2. Local topical glucocorticoids are still the main drugs for the treatment of AD, and their specific use should be under the guidance of a doctor. 3.Treatment of co-infection. 4.Non-glucocorticoid topical immunomodulators. 5.Antihistamine agents. 6.Phototherapy.