The causes of rib pain below the right chest in women are as follows: First, it may be trauma, especially when external force hits, impacts, or squeezes the right chest wall, which can cause significant rib pain in the chest, and also significant local swelling and pressure pain, and if there is a serious rib fracture then surgical fixation treatment is required. Second, patients with neuritis or intercostal muscle strain, mainly related to the severity of the condition, lead to muscle spasm or weakened nerve conduction, causing significant pain in the lower ribs of the right chest. Third, there may be rib diseases, such as bone cysts of the right rib or tumors of the rib, which can also cause significant pain in the ribs under the right chest. Fourth, costochondritis caused by hyperextension can also lead to pain in the ribs below the right chest. Regardless of the cause of rib pain, it is important to seek prompt medical attention. Finally, internal diseases such as liver and biliary system disorders should not be ignored.