Precautions for rib fractures: 1. Avoid strenuous exercise to prevent increased thoracic heaving caused by hyperventilation, which can lead to increased pain at the fracture break. 2. Avoid upper respiratory tract infections caused by cold and flu, which can lead to fever and coughing, which not only aggravate the pain at the rib fracture in the chest, but also tend to easily form phlegm, which cannot be effectively coughed out leading to lung infection. 3. Wear a chest brace to reduce pain. 4.Avoid re-injury and reduce activities. 5.Eat less and more often to avoid too much food at one time and pain due to enhanced chest breathing caused by weakened abdominal breathing. 6.For patients with combined pulmonary contusion or pleural effusion, encourage patients to cough and cough up sputum to promote the discharge of sputum and avoid lung infection. 7.Review regularly to prevent the increase of pleural effusion, which leads to corresponding complications and requires 1-2 weeks of rechecking. until the pleural effusion disappears completely.