The heart is equivalent to the body’s engine, but the heart is also a muscle, if it runs under high load for a long time, there will be a strain on the heart muscle. The causes of myocardial strain are generally the following: 1, bad habits, such as irregular diet, usually eat more greasy, too salty or too sweet food. 2, various causes of physical obesity, overweight, will increase the burden on the heart at all times, increasing the strain on the myocardium. 3, hypertension disease, hypertension disease in patients with high pressure in the blood vessels, which will The heart is subject to greater resistance when pumping blood, thus increasing the burden on the heart and making it susceptible to myocardial strain. 4, work life is more stressful, usually more nervous, anxious, depressed, these will lead to disorders in the neuroendocrine system, which can easily cause myocardial strain.