If a patient experiences pain in the lower right rib cage, there are two common causes: 1. The rib cage itself is caused by disease, such as rib osteitis or intercostal nerve injury can cause painful symptoms because the rib cage is responsible for protecting internal organs and is therefore relatively susceptible to injury or compression, which can lead to pain. This pain usually does not last long and the patient’s painful symptoms are relieved by taking medications that activate blood stasis, nourish the nerves and NSAIDs. If the local pressure pain is obvious and the symptoms persist for a long time, the patient may choose to go to the hospital for further treatment.2. Caused by diseases of other organs. Since the ribs protect the internal organs, they can also cause radiating rib pain when there are pathological changes in the internal organs, such as liver cancer, cholecystitis or gallstones. Therefore, if a patient has symptoms of pain under the rib cage, the cause needs to be clarified and then treated symptomatically.