Low back pain can be distinguished from kidney pain in the following ways: 1. The nature of pain, low back pain is mainly dull pain, while kidney pain often has colic, for example, kidney stones have very obvious colic. Low back pain will not radiate to the front of the abdomen, but kidney pain will radiate to the abdomen as well as the groin area.2. Low back pain can be combined with involvement pain in the lumbosacral area or buttocks or numbness in the back of the thigh, while kidney pain will not occur. Kidney pain may cause nausea and vomiting, for example, more obvious nausea and vomiting when there are kidney stones. Low back pain will not cause urinary abnormalities, but kidney pain may cause urinary abnormalities such as hematuria.3. On physical examination, low back pain will have more obvious pressure points, while kidney pain does not have obvious pressure points, but there will be deeper percussion pain.