Sternum fracture patients are prone to pulmonary complications, so such patients need to pay attention to the following aspects: 1, strengthen the chest physiotherapy, encourage and assist patients to cough, sputum, to prevent the occurrence of pneumonia, pulmonary atelectasis or respiratory insufficiency; 2, for bedridden patients with sternum fracture with long time and high sputum, sputum culture examination should be carried out in time and the application of sensitive antibiotic treatment; 3, for patients with severe lung contusion, paradoxical Respiration obvious or coma patients, should be appropriately prolonged ventilator-assisted time; 4, the application of ventilator-assisted respiration, combined with rib fracture patients should be routinely performed closed drainage of the thoracic cavity; 5, after discharge from the hospital should be regularly re-examined chest radiographs or ultrasound, to observe whether there is a delayed hemothorax and pericardial effusion occurs.