For patients with pneumonia can lead to clinical symptoms and manifestations of pain in the back, but the back pain is not entirely caused by pneumonia. The details are as follows: first, in the case of massive pneumonia, in addition, for other diseases of the respiratory system, often in the case of pleurisy, pneumothorax, pleural effusion, there will be back and visceral pulling-like pain. Second, for cardiogenic diseases can also cause back pain, such as coronary heart disease unstable angina or acute myocarditis, malignant arrhythmia, right heart failure, when there will also be clinical symptoms of back pain. Third, back pain can also be caused by diseases of the chest wall, such as intercostal neuralgia or herpes zoster pain, costochondritis, when there will also be pain in the above-mentioned areas. Fourth, if the patient suffers a trauma to the back, such as a fracture of the sternum or ribs, a contusion or stretching injury to the surrounding soft tissues, this pain will also be felt.