Pain in the lungs after surgical removal of nodules in the lungs occurs because the surgery to remove nodules in the lungs is injurious, and the surgical procedure removes nodular tissue from the lungs, which is a damage to the lungs themselves, and it is therapeutically beneficial to the patient. The mucosa of the lung has been damaged will pull on the peripheral nerves of the lung mucosa causing pain, and even non-infectious inflammatory secretions will ooze out, so there will be post-surgical pain in the clinic. General attention to the prevention of secondary infection can be appropriate to give antibiotics, such as penicillin, ceftriaxone sodium, etc. In addition, if the pain is obvious can be appropriate to give painkillers, such as ibuprofen, acetaminophen, etc. can be gradually relieved.