The 7-year-old child sleep sweating can be seen in normal people, but also may be hypocalcemia, autonomic nervous disorder and other factors caused. 1. Physiological conditions: 7-year-old children sleep sweating a lot may be sleeping under a thick blanket, indoor temperature is relatively high caused by such people generally do not need special treatment. 2. Hypocalcemia: 7 year old children sleep sweating a lot may also be the serum concentration of calcium ions reduced caused by the patient will also have muscle spasms, hand and foot twitching, sensory abnormalities and other symptoms. 3. autonomic nervous system disorders: 7-year-old children sleep sweating a lot may also be psychological stress, mental tension caused by autonomic nervous system disorders, the patient will also have dizziness, blood pressure abnormalities, anxiety and other symptoms, this kind of patients should maintain a relaxed mood. 7-year-old child sleep sweating, there may be other reasons, it is recommended to go to the hospital in time to improve the examination to clarify the cause of the disease, under the guidance of the doctor to give targeted treatment or treatment.