Children’s head sweat easily may be environmental factors, faster metabolism, calcium deficiency and other reasons. 1. Environmental factors: when the body is located in the environment at a higher temperature, children are prone to sweating, as a normal phenomenon. 2. Faster metabolism: children are younger, faster growing and developing, and more active, more exercise, metabolism is strong, thus easy to sweat. 3. Calcium deficiency: when there is a severe calcium deficiency, the metabolism of the child’s body will be abnormal, and sweating may occur easily. Children’s head sweat easily, may also be caused by other reasons, if excluded physiological factors, parents can take the child to the hospital for relevant examinations, clear diagnosis and follow the doctor’s instructions for treatment.