Pediatric body tensing and sweating may be a personal habit of the pediatrician, but also may be suffering from vitamin D deficiency rickets. 1. Personal habits: some children in the growth and development period, there may be a body tensing action, resulting in body sweating, but generally faster relief. When this happens, if the child has no other abnormalities, the mental state as usual is basically the same as usual, the general problem is not much attention to observation. 2. Vitamin D deficiency rickets: refers to abnormal calcium and phosphorus metabolism caused by vitamin D deficiency, this disease is mostly seen in children, usually show excessive sweating, crying, occipital baldness, easy to startle, etc., so there may be a tense sweating, usually after supplementation of vitamin D can be gradually relieved and improved. Tight sweating may also be caused by other reasons, if we can rule out the child’s personal habits, it is recommended to take the child to the doctor in a timely manner, under the doctor’s examination to determine the cause of the disease, in order to take the corresponding therapeutic measures. The above medication is in accordance with the doctor’s prescription.