When the ribs below the 7th rib are fractured, conductive abdominal pain is produced due to irritation of the intercostal nerve at the fracture site. The pain is mostly caused by Qi and blood irregularities, and attention should be paid to see if there are any blood or urine abnormalities. The diagnosis of rib fracture is mainly based on the history of injury, clinical manifestations and x-ray chest examination. The diagnosis of rib fracture is based on the history of injury, clinical manifestations and X-ray chest examination, which can show the pain at the fracture site by pressing on the non-fracture site of the sternum or ribs (thoracic squeeze test), or positive direct pressure pain by pressing directly on the rib fracture site or hearing bone rubbing sound, feeling bone rubbing sensation by hand and abnormal rib dynamics. However, for rib cartilage fracture, “willow fracture”, fracture without misalignment, or mid-rib fracture, it is not easy to detect on chest X-ray because the ribs on both sides overlap each other. A rib fracture without combined injury is called a simple rib fracture. In addition to combined pleural and pulmonary injuries and the resulting hemothorax or pneumothorax, they are often combined with other thoracic injuries or injuries outside the chest, which should be especially noted in the diagnosis. Rib fractures of the 1st or 2nd rib are often combined with fractures of the clavicle or scapula, and may be combined with injuries to intra-thoracic organs and large blood vessels, bronchial or tracheal ruptures, or heart contusions, as well as cranial injuries; rib fractures of the lower thorax may be combined with injuries to intra-abdominal organs, especially ruptures of the liver, spleen, and kidneys, and with fractures of the spine and pelvis.