The causes of right lower rib pain are mainly focused on the following aspects: 1, costal chondritis or local myofasciitis stimulates the local intercostal nerve, thus causing pain in the lower ribs, which is also the most common cause; 2, consider whether it is a problem in the lungs or chest cavity, at this time to do a CT of the chest or with the chest film for examination, to clarify the cause; 3, consider whether it is the liver, abdominal organs If there is a problem with the liver or abdominal organs, ultrasound of the abdominal cavity should be done to determine the cause. If there is no organic problem, and the pain is purely on the right side of the lower ribs, the pain department can carry out local nerve block treatment, such as local ozone injection or local nerve block treatment, according to the cause. If the pain persists for a longer period of time, it can also be treated more fundamentally with radiofrequency thermocoagulation of the thoracic nerve. For these aspects, the first step is to identify the cause and check whether it is a problem in the thoracic or abdominal organs, or in the rib cartilage itself, so that intervention and treatment can be performed.