Recurrent eczema in babies may be caused by environmental stimuli, allergies, imperfect immune function and other reasons. 1. Environmental stimulation: If the baby is often exposed to ultraviolet radiation, humidity, dryness and other environments, the baby may suffer from recurrent eczema under environmental stimulation. 2. Allergy: If the baby is allergic, repeated contact with allergens, such as sunlight allergy, food allergy, diaper allergy, etc., it may make the baby recurring symptoms of eczema. 3. Imperfect immune function: Since the baby is relatively small, the immune function is not perfect, which may make the baby recurrent eczema phenomenon. When the baby recurring eczema symptoms, it is recommended to go to the hospital in time, after a detailed examination, according to the cause of the targeted treatment.