Night sweating in children may be caused by high temperature, lack of vitamins, tuberculosis and other reasons. 1. High temperature: If the temperature of the environment in which the child is located is too high, night sweats (abnormal sweating after going to sleep and stopping sweating after waking up) may occur during sleep, which is a normal physiological cause. 2. Lack of vitamins: If a child grows up with a lack of nutrients, such as vitamin D, calcium, etc., it may also lead to abnormal basal metabolism, resulting in night sweats. 3. Tuberculosis: Typical symptoms are night sweats, low-grade fever, weight loss, accompanied by coughing, coughing up phlegm and other symptoms. Night sweats in children may also have other causes, 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.