The main causes of children’s tiredness include the following: First, the symptoms are caused by qi deficiency, which can lead to frequent tiredness and lazy speech, and the symptoms are obviously aggravated after activities, which can be treated by timely qi supplementation, such as the use of tonics or Huangqi oral liquid. Secondly, the symptoms caused by myocarditis, after the occurrence of myocarditis will also cause tiredness, and will have palpitations, chest tightness and pale face and other symptoms, you can promptly do electrocardiogram and myocardial enzyme spectrum to confirm the diagnosis, after the diagnosis can promptly nourish the heart muscle treatment, such as the application of high doses of vitamin C.