A child with a fever of thirty-nine degrees can not moxibustion, may cause the symptoms to worsen, moxibustion is suitable for wind-cold and chronic debilitating diseases, such as prolonged diarrhea, cold limbs, external wind-cold and other conditions. Children with a fever of thirty-nine degrees of Chinese medicine symptoms called fever, the common cause is the external infection epidemic, six obscene (wind, cold, summer, wet, dry, fire), or due to fatigue, emotionally injured, and so on. Moxibustion during fever may cause worsening of symptoms and is not suitable for this treatment. Moxibustion is suitable for illnesses caused by wind, cold and dampness and chronic debilitating illnesses such as cold limbs, Yang deficiency, Qi deficiency and prolonged diarrhea. Children with a fever of thirty-nine degrees for high fever, need to go to the hospital in time, so as not to delay the time of treatment. Do not self-medicate or do moxibustion treatment, to avoid causing adverse consequences.