There will be pain in open-heart surgery. General anesthesia is usually used during the operation, so no pain can be felt, and the pain mainly occurs after the effect of anesthesia wears off. The pain is mainly felt after the anesthesia wears off. Generally, it can be tolerated with regular analgesia, but if the incision is large or there is an infection, the pain time will be prolonged relatively. Chest pain will appear after the anesthesia disappears after the operation, but at present, most of the patients can basically get through the perioperative open-heart surgery pain in 1~3 days after the operation by giving analgesic pumps. A small number of patients may be due to the large trauma of open-heart surgery incision, or combined with rib fracture, sternal fracture, etc., the postoperative pain usually takes about 1 week, given analgesia and nursing guidance can generally be successfully passed. A very small number of patients may have postoperative incision infection or chest infection, etc., resulting in chest pain, which will be alleviated or disappeared after incision dressing change and anti-infection symptomatic treatment.