Myocarditis is an inflammatory lesion of the myocardial layer caused by various causes, which can involve the myocardium, interstitium, blood vessels or endocardium, etc. The common triggers are infection, autoimmune reaction or physicochemical factors. The main reason for this is to treat the primary cause of the disease with medication, but there is no effective treatment for viral myocarditis, and antiviral therapy is mainly used in the early stages. 2, during the onset of the disease is the need for absolute bed rest, especially for children with severe myocarditis, if the child is prematurely active, it is possible to delay the recovery time of the disease, and may even aggravate the possibility of the disease. The actual fact is that you can find a lot of people who are not able to get a good deal on a lot of things. The actual fact is that myocarditis is a life-threatening condition, so it must be detected as early as possible, and the child must be taken to the hospital for standardized examination and treatment as soon as possible to avoid delaying the best time for treatment.