Heart thumping may be a physiological phenomenon, or it may be caused by cardiomyopathy, hyperthyroidism and other diseases. 1. Physiological phenomenon: When the human body is in a state of strenuous exercise, emotional fluctuations, etc., it is easy to cause tachyarrhythmia, followed by the phenomenon of heart thumping, which is a normal physiological phenomenon, do not need to worry too much. 2. Cardiomyopathy: Research has shown that the occurrence of this disease may be related to heredity, viral infection, poisoning, nutrient deficiency, atrial fibrillation, amyloidosis and other factors. In the early stage, there are no obvious symptoms, with the further development of the disease, patients will have palpitations (rapid heartbeat, often accompanied by panic), fatigue and other symptoms, which can be manifested as heart thumping. 3. Hyperthyroidism: The common cause of this disease is diffuse toxic goiter, followed by thyroid self-help high-functioning adenomas, excessive iodine intake and multinodular toxic goiter. In the early stage, there are no specific symptoms, but some patients may have tachycardia, so the patient may have symptoms of heart thumping, and may also have symptoms such as irritability and agitation. If the heart thumping is excluded as a physiological phenomenon, it is necessary to go to the hospital in a timely manner to clarify the cause of the disease, so as not to delay the condition.