The baby is always pulling out the hair to consider a normal reaction, may also be calcium, eczema and other factors triggered. 1. Normal reaction, the baby needs more strength when eating milk, if wearing too much or the temperature is too high may lead to the baby sweating, so it will produce hair pulling symptoms. 2. Calcium deficiency, if the baby lacks calcium, may be more prone to sweating, sweating more in the process of breastfeeding, may lead to baby discomfort, this symptom. 3. eczema, if the baby has eczema, scalp itching, breastfeeding process itching aggravation may occur hair pulling symptoms. Baby breastfeeding always pulling hair, 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.