Breathing sounds after lung nodule surgery is a common post-operative reaction that may be caused by an inflammatory infection. If there is a sound in breathing after lung nodule surgery, it is considered to be a symptom caused by lung infection after the surgery. If the sound of breathing is not serious, it can be left untreated, and it is recommended to go to the hospital for regular checkups to keep an eye on the recovery of the condition and to avoid further development of the condition. If the lung infection is more serious after the lung nodule surgery, and the symptom of breathing sound has not been relieved, it is necessary to combine with the doctor’s diagnostic advice as soon as possible to carry out anti-infective treatment, commonly used anti-infective drugs such as cefixime, azithromycin, and so on, if necessary, can be used in the same kind of drugs for infusion treatment, the effect is more rapid. During the postoperative recovery period, patients must pay attention to a healthy diet, with a light taste is appropriate, eat more fresh vegetables and fruits, etc., appropriate supplementation of vitamins and dietary nutrients, is conducive to the recovery of the condition.