A loud heartbeat after heart valve replacement surgery is a normal phenomenon, often caused by the patient’s incomplete adaptation to the valve, and usually requires no treatment. Patients should take their medication on time and do a good job of postoperative care. Heart valve replacement surgery is to replace the mechanical valve or biological valve, to achieve the purpose of treatment, usually after the operation the patient’s body has not fully adapted to the situation, so there will be the patient’s own feeling of heartbeat too loud. Patients need to take anticoagulant drugs such as warfarin under the guidance of the doctor to avoid the occurrence of blood clots. Patients should pay attention to rest after the operation, do not strenuous exercise. At the same time, keep the diet light, avoid high salt and high oil food intake. In the postoperative period, we should do a good job of wound care, to avoid infection and inflammation to affect the healing process. Patients should follow up regularly according to the doctor’s instructions after the operation, and should go to the hospital for examination in time when there is heart discomfort.