Right-sided lumbar and abdominal pain may be normal physiological factors, but also may be a symptom of certain diseases, such as ureteral stones, acute appendicitis, etc., should be promptly consulted to identify the cause of the disease. 1. Physiological factors: women in late pregnancy, due to the increase in fetal size, the enlarged uterus pulls the uterine ligaments or oppression and stimulation of the surrounding organs, the right side of the lumbar and abdominal pain symptoms, is a normal physiological phenomenon, the general pain will not be particularly severe, in the pregnant woman’s tolerance range. 2. Pathologic factors: common in the following diseases. (1) Ureteral stones: mostly unilateral attacks, when the ureteral attack is on the right side, the symptom of severe pain in the right lower back and radiating to the right abdomen can occur. Usually, it may also be accompanied by hematuria, urinary frequency, urinary pain and other manifestations. (2) Appendicitis: the appendix is located in the right lower abdomen of the human body, when the infection occurs, inflammatory changes, the symptoms of the right lower abdominal pain, appendicitis can also appear in the right side of the lower back pain, accompanied by nausea, vomiting, abdominal distension, fatigue and other discomforts. In addition, hernia, acute cholecystitis, right retroperitoneal tumors, right pelvic tumors and other diseases can also present with symptoms of right-sided lower back and abdominal pain. Therefore, if you have pain in the right side of the waist and abdomen, you should consult a doctor in time, complete the relevant examinations, and give targeted treatment after a clear diagnosis.