The 6th rib fracture is very painful to walk around, which is considered to be caused by local aseptic inflammation, or serious fracture, resulting in rib nerve injury, periosteal tear and so on. 1. Aseptic inflammation: after the fracture, the local blood circulation is not good, which will easily cause aseptic inflammatory reaction, and under the stimulation of inflammatory factors, thus causing pain around the ribs. 2. Nerve injury: when the degree of fracture is more serious, it is easy to involve the nerves, resulting in nerve compression and injury, thus causing neuropathic pain. 3. Tear of periosteum: mainly for severe fracture, if not treated in time, it is easy to cause periosteum tear, which can not be healed in a short period of time, and the pain will be obviously aggravated during activities. The 6th rib fracture is painful to walk around, it is necessary to go to the hospital for examination, including X-ray examination, magnetic resonance imaging examination, etc., and then targeted treatment after the professional physician evaluates the degree of fracture.