A vague pain under the right rib cage is not necessarily related to liver disease. It may also be related to digestive system diseases, kidney diseases and other diseases such as neuritis and external injuries. 1. Liver disease: such as cirrhosis, hepatitis, liver stones and other diseases, when the condition is serious, it can involve the nerves, which leads to the symptoms of vague pain under the right rib. At the same time, patients may also show signs of liver cell damage, such as jaundice, nausea, loss of appetite, fatigue, anemia, liver palms, spider nevi, hyperpigmentation and loss of libido and other symptoms. 2. Digestive system diseases: such as gastroenteritis, right-sided intestinal obstruction and other diseases, which can also cause this disease. 3. Kidney diseases: such as right-sided kidney stones and other diseases, stone obstruction leads to hydronephrosis or ureteral spasm, is also one of the common causes of right subcostal involvement pain. 4. Other diseases: such as costochondritis, right-sided peritonitis, right-sided rib injuries, neuritis, and acute post-exercise thoracic and rib pain, etc., which can also cause this symptom. As the cause cannot be accurately diagnosed with this symptom, it is recommended that the patient consult a doctor as soon as possible for examination and targeted treatment under the guidance of the doctor.