The accelerated heartbeat after meals is mainly caused by the larger amount of heat absorbed by the body after meals, the accelerated blood flow in the body and the accelerated blood circulation. The metabolism of the human body accelerates after meals, causing the energy required for organ movement to increase, and the rapid operation of organs requires blood flow to bear, so the amount of blood required by human organs is also increasing, leading to an increase in the amount of blood flowing to the heart, thus causing the phenomenon of a faster heartbeat. If suffering from hypertension, cardiac disease or other heart disease, the rapid intake of protein and energy in the human body after a meal, the rapid blood circulation will cause the phenomenon of hypertension is obvious and the heartbeat is accelerated. The intake of food will cause the intestinal peristalsis to speed up, and the amount of blood needed for the operation of the intestines will gradually increase, so a large amount of blood enters the intestines and increases the blood output of the heart, and a rapid heartbeat after meals is a common phenomenon, and if the patient’s symptoms cannot be relieved for a long time, it is recommended to seek medical attention in a timely manner.