There are many reasons why babies’ heads love to sweat, and they are considered to be related to physiological and pathological factors, such as high ambient temperatures, excessive exercise, fever, and calcium deficiency factors. 1. physiological factors (1) high environmental temperature: baby’s head sweating may be caused by high environmental temperature, especially in the case of wearing clothing over the situation, the need to reduce the clothing in a timely manner, out of the bad environment, can improve the symptoms. (2) Excessive exercise: babies are playful by nature, and may be under exercise such as jumping and skipping, causing the body’s blood circulation to speed up and metabolism to increase, which will lead to the symptoms of head sweating, which will be relieved on its own. 2. Pathological factors (1) fever: baby head sweat, may also be due to cold fever factors, consider and cold, low immunity related to the body temperature is too high and the symptoms of head sweat. (2) Calcium deficiency factor: the baby in the body lack of calcium and vitamin D, resulting in sympathetic nerve excitation, so there will be head sweating and restless sleep and other phenomena. Baby head sweat may also have other reasons, it is recommended to go to the hospital in a timely manner, improve the examination to clarify the cause of the disease, give targeted treatment or treatment.