The sweating on the baby’s head once he eats milk may be a normal physiological manifestation, related to the baby’s metabolism and environmental temperature, so there is no need to worry too much. However, if the sweating is accompanied by other symptoms, it may be an abnormal situation, which requires timely consultation and examination to determine the cause and deal with the cause according to the specific performance and examination results. Physiological sweating 1, excessive baby force: baby’s metabolism is more vigorous, especially in the 3 months after birth, easy to sweat, excessive force when sucking milk, can lead to more head sweating; 2, external factors: baby clothing too much, too thick, the indoor temperature is higher, causing baby head sweating, after sucking milk force sweating increased. Non-physiological sweating 1, infection: such as colds, pneumonia, tuberculosis, gastroenteritis and other viral and bacterial infections, often accompanied by fever, poor spirit, need to go to the hospital in a timely manner; 2, rickets: mostly caused by a lack of vitamin D, early can be manifested as increased neural excitability, such as excessive sweating, irritability, etc., visible occipital baldness, it is recommended to go to the hospital; 3, congenital heart disease: manifested as breastfeeding difficulties, wasting, sweating and It is recommended to go to the hospital promptly for medical consultation. Parents need to pay attention to observe, if after reducing the baby’s clothes, in the case of room temperature is not high, the situation of breastfeeding sweating does not ease, and the presence of milk refusal, wasting, irritability and other performance, should pay attention to, if necessary, seek medical attention.