Patients with distension symptoms on both sides of the ribs, the following common causes: First, trauma: resulting in rib fracture, there will be bleeding at the fracture end, there is swelling in the soft tissue, there will be obvious distension symptoms on both sides of the ribs, accompanied by breathing difficulties, in serious cases can occur hemothorax, pneumothorax, endangering the lives of patients, taking X-rays can confirm the diagnosis. Second, disease factors: patients suffering from severe chronic bronchitis, emphysema, pulmonary heart disease, etc., can lead to lung dysfunction, appearing in the thoracic cavity pressure increase, resulting in both sides of the rib cage swelling symptoms. Long-term untreated cases can also cause pathological rib fractures, leading to more severe pain. Taking CT and X-ray films of the lungs can confirm the diagnosis. Early diagnosis and early treatment can lead to significant relief of clinical symptoms, while delayed diagnosis and treatment can lead to more serious consequences.