Eczema in children is a common skin disease of childhood and is an allergic (or allergic) disease, the exact cause of which is sometimes difficult to find. It is often referred to as “ringworm”, and if you use the medication for “ringworm” to treat your child’s eczema, it can make the condition worse. 1, direct cause: cause child eczema cause is complex, of which allergic factors are the most important, so there is a family history of allergies (such as father, mother, grandfather, grandmother, grandfather, grandmother, siblings and other family members have had eczema, allergic rhinitis, allergic dermatitis, allergic conjunctivitis, asthma, food allergies and drug allergies, etc.) children are prone to eczema. 2, triggering factors: the occurrence of eczema children, many substances will trigger or aggravate the symptoms of eczema, such as protein in food, especially fish, shrimp, eggs and cow’s milk, contact with chemicals (skin care products, toiletries, cleaning agents, etc.), wool products, chemical fiber items, plants (various plant pollen), animal leather and feathers, the occurrence of infections (viral infections, bacterial infections, etc.), sun exposure, high ambient temperature or dressing too warm or cold can stimulate the recurrence or aggravation of eczema in children. There is a special type of pediatric eczema, which occurs around the anus of the child, often accompanied by pinworm infection, called pinworm eczema. 3, the internal causes of children’s eczema: children are prone to eczema and its own factors. The reason is that children’s skin stratum corneum is thin, capillary network is rich and endothelium contains more water and chloride, more sensitive to various stimulus factors, so also called pediatric eczema.