After lung surgery, symptoms such as chest tightness and shortness of breath may remain for about 1 month. Lung surgery is mainly performed to treat lung diseases such as emphysema, lung tumors or tuberculosis, which may require the removal of a portion of lung tissue, resulting in a certain degree of decline in lung function, and may lead to chest tightness, shortness of breath and other uncomfortable symptoms after the surgery. If you have chest tightness, shortness of breath and other abnormal symptoms after lung surgery, you need to rest and actively observe the situation, and if necessary, you can also properly inhale oxygen to maintain normal lung function, after about 1 month of active care, usually will slowly return to normal. When symptoms such as chest tightness and shortness of breath occur after lung surgery, it is important to pay attention to regular review, and usually also appropriate deep breathing and other actions to increase lung capacity, which will help the gradual disappearance of symptoms of chest tightness and shortness of breath, and once the condition worsens, it is necessary to consult a doctor for examination in a timely manner.