The treatment of small nodules in the lungs with a cough needs to be determined by the specific nature of the nodule. The details are as follows: 1. If the nodule is less than 8mm, we can consider giving levofloxacin, moxifloxacin and other drugs for anti-infective treatment, and then review the chest CT to observe the morphological changes of the nodule, and if necessary, we can give aminobromine and bromhexine to relieve cough and resolve phlegm, and if dry cough is the main reason, we can give dextromethorphan to suppress coughing. 2. If the nodule is larger than 8mm or has obvious malignant tendency, puncture examination can be performed to clarify the nature of the nodule or direct thoracoscopic resection of the lesion according to the patient’s wish. Therefore, when the physical examination found lung nodules and cough and other accompanying symptoms, you need to go to the hospital for further examination to clarify the nature of the lesion, and decide on the best treatment plan after comprehensive consideration, so as to avoid delaying the condition.