Symptoms of pain inside the rib cage of asthma are mainly caused by many reasons, the more common is still due to the lung infection is more serious, such as asthmatic bronchitis acute attack, inflammation stimulation to the pleural wall and lead to pain in the rib cage, and accompanied by bronchial smooth muscle contraction and spasm, wheezing, shortness of breath symptoms. In addition, it is also caused by trauma, such as rib fracture, which causes the rib to penetrate into the pleura and rupture the pleural cavity, causing tension pneumothorax, which leads to the symptoms of pain inside the rib cage of wheezing, which can be clarified by taking CT of both lungs as well as routine blood test and examination of lung function.