The causes of vague pain under the right sternal ribs need to distinguish whether it is male or female, usually the causes of vague pain under the right side of the ribs in men are mainly triggered by diseases of the digestive system, circulatory system, respiratory system and urological system, common causes of vague pain in the right lower ribs in men include the following: 1, diseases of the digestive system are often triggered by acute cholecystitis and pancreatitis due to factors such as binge drinking and overeating, or appendicitis transferred to the right lower The hidden pain in the right lower rib cage, or diffuse peritonitis and gastroenteritis caused by the untimely treatment of severe inflammation and excessive alcohol consumption; 2. Respiratory system causes of hidden pain in the right lower rib cage in men may include right-sided pleurisy and right-sided pneumothorax; 3. Circulatory system diseases may include acute coronary syndrome and angina pectoris; 4. Urinary system diseases may also include right-sided acute pyelonephritis and right-sided renal ureteral calculi. In addition, if it is a woman with hidden pain in the right lower rib cage, in addition to common male diseases there can be right-sided mastitis, lobular hyperplasia and breast tumor.