Coughing after surgery should be treated with appropriate drug anti-inflammatory and symptomatic therapy, while paying attention to cold protection and warmth, and strengthening postoperative care to avoid coughing affecting the recovery of surgical wounds. Drugs should be applied under the guidance of the doctor. Postoperative coughing is mostly considered to be caused by respiratory tract infections, post-surgical weakness, decreased resistance, if the weather becomes cold or cold or viruses, bacteria and other pathogens invade the body, can lead to upper respiratory tract infections, resulting in varying degrees of coughing symptoms. If the cough is not frequent, not violent, appropriate rest and warmth, drink more water, to be taken amoxicillin, cefaclor and other antibiotics anti-infection treatment, should be gradually self-healing. When the cough is severe, appropriate medication is needed, such as glycyrrhiza glabra, aminobromine dispersible tablets, etc. After the operation, rest, pay attention to warmth, reasonable diet and nutrition, and further examination of chest radiographs can be done to understand the cause of the cough if necessary.