Lumbar and stomach pain is the cause of this situation is more, to consider the lumbar diseases, such as lumbar muscle strain, lumbar disc herniation led to lumbar pain accompanied by abdominal pain. Very large diseases such as intestinal cramps, enteritis, appendicitis, pancreatitis, cholecystitis, gastric stones, as well as gallstones, kidney stones, etc., will be accompanied by abdominal pain will be accompanied by pain in the lower back. Men with urinary tract infections, prostatitis, cystitis, urinary stones, etc. will also experience these symptoms. Female patients may have gynecological inflammation such as pelvic inflammatory disease, cervicitis, adnexitis, etc., and may also have tumors, including ovarian tumors, uterine tumors and so on. The menstrual period of female patients can cause uterine cold or stagnant blood can also lead to lower back and abdominal pain.