The following causes are common: 1, rib fracture: direct violence or pathological fracture can lead to rib cortical fracture, the patient will show local swelling of the ribs, pain when pressed, accompanied by respiratory and activity restrictions. Pathological fractures are more common in elderly patients with severe osteoporosis or malignant bone tumors, where x-rays will reveal a fractured bone cortex. 2. Soft tissue injury to the ribs: such as intercostal muscle injury, which can involve the intercostal nerve causing local pain symptoms in the ribs, which are more pronounced when pressed. At the same time, when the patient exercises vigorously or breathes too deeply, the pain symptoms can be aggravated, and the local skin temperature can be significantly increased. If there is painful pressure on the ribs, early diagnosis and early treatment should be made in order to get rapid relief of clinical symptoms and avoid serious adverse consequences.