A piece of dryness like ringworm on the baby’s body may be caused by atopic dermatitis, allergy, ringworm, etc., which can be treated by different medications and physical therapy according to the cause. 1. Atopic dermatitis: it is related to genetic, immune and environmental factors. Atopic dermatitis in infancy is called infantile eczema, which starts as itchy red spots and can be like moss when dry. According to the severity of the condition, topical medications such as dieldrin cream and pimecrolimus cream should be chosen; narrow-spectrum medium-wave ultraviolet light therapy should be used when necessary. 2. Allergy: Parents should avoid bathing their babies too often, use moisturizer after bathing, and avoid contact with allergic substances. 3. Ringworm: mostly fungal infections, pay attention to clean, when the condition is serious, follow the doctor’s instructions to choose anti-fungal topical drugs, such as naftifine ketoconazole cream. It is recommended to consult a doctor in a timely manner, the use of drugs need to comply with the doctor’s instructions. If the use of drugs found that the effect is not good or allergic reactions, should stop using drugs and go to the hospital for examination.