Open-heart surgery is a larger surgery and does cause some damage to the body, as follows: 1. Pain or a sense of pressure or tightness in the incision after surgery, because of nerve damage or muscle damage caused by the surgery, this discomfort or pain will gradually disappear with time. If this pain affects the patient’s life, it can be solved by oral medication or local application of analgesic drugs; 2. It may cause symptoms such as chest tightness, shortness of breath or coughing, which will gradually get better with time. If the patient needs open-heart surgery, the clinician will give the patient a corresponding assessment before the operation, and the benefits outweigh the disadvantages before choosing open-heart surgery treatment. Open-heart surgery does have hazards, but they are negligible compared to the benefits to the patient.