Hidden pain in the right side of the abdomen with lumbar pain may be caused by inflammation or stones, and common causes include appendicitis, gallbladder stones, right kidney stones and so on. Appendicitis attack can appear epigastric pain, gradually can be transferred to the right lower abdomen, some can be accompanied by lumbago, accompanied by nausea, vomiting and other gastrointestinal symptoms, acute attack, can be colicky pain, need to consult a doctor in time, can be given to anti-infective drugs, such as cephalosporin, metronidazole and so on. If necessary, surgery. Gallbladder stones may present with right upper abdominal pressure pain, which may be aggravated after eating high oil and high fat food, and the pain may radiate to the right shoulder. Right kidney stones may cause pain in the right kidney area, and when the stone is dislodged, it may cause severe colic pain, which needs timely medical treatment, lithotripsy or stone removal surgery. Hidden pain in the right side of the abdomen accompanied by low back pain symptoms persistently unrelieved or progressively aggravated, should promptly seek medical attention.