Different causes of myocardial damage need to be treated in different ways. In general, causes of myocardial damage include myocarditis, myocardial ischemia and a history of exposure to radioactive substances. Commonly used countermeasures include the use of drugs to improve myocardial metabolism, taking drugs to enhance myocardial blood supply or undergoing surgery, and avoiding exposure to radioactive substances. 1. Myocarditis: If myocardial damage is caused by inflammation, the metabolism of myocardial cells needs to be improved, such as taking vitamin C, coenzyme Q10, and intramuscular injection of coenzyme I, etc. 2. Myocardial ischemia: If myocardial ischemia is caused by coronary artery stenosis or other reasons, myocardial damage will be caused, and then you need to receive professional doctor’s treatment to improve myocardial ischemia, such as taking sodium fructose bisphosphonate oral solution, clopidogrel hydrogencarbamate tablets, and interventional or surgical treatment. 3. History of exposure to radioactive substances: If the patient is exposed to a radioactive environment for a long time because of work, the myocardium will be damaged because the heart is exposed to radiation, and then it is necessary to stay away from radioactive substances immediately. Patients with myocardial damage should go to the hospital in a timely manner, by the doctor to clarify the cause of the disease, according to the specific circumstances, to give targeted treatment, if not treated in time, it is likely to lead to adverse consequences.