There are several possible causes of stomach pain and lower back pain: a. urinary stones, manifesting as stomach cramps, pain dispersion to the perineum and inner thighs, accompanied by lower back pain and percussion pain in the kidney area, routine urinalysis, urinary ultrasound or CT examination can be done to clarify the diagnosis. Second, gallbladder disease, such as patients with acute cholecystitis can be manifested as right upper abdominal pain, pain can be dissipated to the right lumbar area, thus manifesting as stomach pain and lumbar pain, need to do ultrasound examination of the gallbladder to help determine. Third, acute pancreatitis, generally manifested as subxiphoid pain, some patients with more severe inflammation will have left-sided lumbar pain, it is recommended to improve the blood amylase, lipase and abdominal CT examination to assist in the diagnosis.