Lung compression of 10%, which is not serious, the patient is not life-threatening. Clinically, various reasons lead to patients with pneumothorax, making the patient’s lungs compressed, lung compression of 10%, patients often have no obvious clinical symptoms, very few patients can have a slight chest tightness and cough uncomfortable feeling, so often do not need special treatment, encourage patients to cough more, cough out as much as possible sputum, pay attention to the chest CT, to see if there is no relief of lung compression. If the patient feels that the chest tightness has worsened and coughing is frequent, it is necessary to be alert to the aggravation of pneumothorax and the deepening of lung compression, so it is necessary to review the chest radiographs in time, and if the lung compression is more than 30%, it is necessary to place a closed chest drain in time, to help the patient to drain the gas out of the chest cavity. If the patient has any discomfort, report to the doctor in time, do not be careless, so as not to delay the treatment.