Panic on activity may be anemia, coronary heart disease, cardiac insufficiency. Panic on activity can be seen in anemia, the amount of red blood cells and hemoglobin decreased significantly, the oxygen content of the blood will be significantly reduced, after the activity due to the demand for oxygen increased significantly, the heart will appear reactive heart rate acceleration. Patients with coronary artery disease may experience myocardial ischemia after activity, and may also experience reactive heart rate acceleration. Patients with cardiac insufficiency due to a decrease in myocardial contractility, activity due to the increased demand for energy, there will be compensatory accelerated heart rate, increase the blood supply of the heart, in order to meet the body’s demand for blood. Panic can also be seen in a variety of other diseases, if the symptoms are more obvious, we should go to the hospital in a timely manner, in accordance with the doctor’s instructions standardized diagnosis and treatment.