Baby always scratching the face, scratching the head, scratching the ears, may be due to environmental factors, head and face eczema, rickets and other causes. 1. Environmental factors: may be because the baby is located in the environment temperature is relatively high, especially to the baby covered too thick, the baby cooling bad tend to be irritable, often scratching the face and ears. 2. head and face eczema: is a kind of allergic skin disease, may be related to diet or environmental factors, often lead to intense itching of the skin, causing the baby scratching. 3. Rickets: mainly caused by the baby’s lack of vitamin D. When sweat is secreted more, it may cause itching, causing the baby to scratch his face or ears. Baby always scratching face, head, scratching ears, there may be other reasons, it is recommended to go to the hospital in a timely manner, improve the examination to clarify the cause of the disease, under the guidance of the doctor to give targeted treatment or treatment.